Physics in ActionPhysics in Action

Kinematics = the study of Kinematics = the study of motionmotion

Physics in ActionPhysics in Action

Project rationaleProject rationale

Read pages 128-129Read pages 128-129

Record 2 questions about the project Record 2 questions about the project (what do you need to know to get (what do you need to know to get started) and 2 comments (summarize started) and 2 comments (summarize what the project is about) on the what the project is about) on the handout as you read. (You need at handout as you read. (You need at least 2 each)least 2 each)

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Which activities are considered Which activities are considered sports?sports?

Make this T-chartMake this T-chart

Define the word “sport” …Define the word “sport” …

Sports (10 minimum) Activities that are NOT sports (5 minimum)

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Sports CastingSports CastingWrite a script for a 30 second sport voice-Write a script for a 30 second sport voice-over (over (the sport is your choice)

Don’t forget to introduce yourselves…Don’t forget to introduce yourselves…

Explain why/how your sport fits the Explain why/how your sport fits the definition for “sport”definition for “sport”

Describe specific actions/plays that Describe specific actions/plays that demonstrate motion and the following demonstrate motion and the following physics words:(used correctly!) in your physics words:(used correctly!) in your script: speed, velocity, acceleration, and script: speed, velocity, acceleration, and safetysafety

Practice your presentation! Everyone Practice your presentation! Everyone must play an active role for creditmust play an active role for credit

Presentations are TODAY!Presentations are TODAY!

Watch the other groups present and think Watch the other groups present and think about what parts of the presentations you about what parts of the presentations you like best.like best.

Reflection (on the back side): describe at Reflection (on the back side): describe at least 3 ways that you could improve your least 3 ways that you could improve your presentation for next time (YES! There presentation for next time (YES! There WILL BE a next time!)WILL BE a next time!)

Anyone want to read their sports script?Anyone want to read their sports script?

Watch/listen to the other groups Watch/listen to the other groups present and think about what parts of present and think about what parts of the presentations you like best.the presentations you like best.

Reflection (on the back side): describe Reflection (on the back side): describe at least 3 ways that you could improve at least 3 ways that you could improve your presentation for next time (YES! your presentation for next time (YES! There WILL BE a next time!)There WILL BE a next time!)

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Speed – Day 1Speed – Day 1How do we measure speed?How do we measure speed?

Record your answer to the following:Record your answer to the following:

What is speed? How do we measure What is speed? How do we measure speed? What units are speeds speed? What units are speeds measured in? How do you know?measured in? How do you know?

Share with your lab partnersShare with your lab partners Groups are ASSIGNED (no switching!)Groups are ASSIGNED (no switching!) p15

Dune Buggy BrigadeDune Buggy Brigadeget your assigned equipment box and follow the get your assigned equipment box and follow the instructions.instructions.

When you are finished, make sure all the When you are finished, make sure all the equipment is returned IN WORKING ORDER to the equipment is returned IN WORKING ORDER to the box and put the box back on your lab benchbox and put the box back on your lab bench

Each person must record everything in their own Each person must record everything in their own notebooknotebook

Measure the speed of your car using only the Measure the speed of your car using only the contents of your box (car, tape measure, stop contents of your box (car, tape measure, stop watch)watch)

You have 10 minutes to do this and return to You have 10 minutes to do this and return to graph your datagraph your data

More directions…More directions…

Record your procedure in your notebook.Record your procedure in your notebook.

Record your data (including units!)Record your data (including units!)

Make a distance vs time graph (use a graph Make a distance vs time graph (use a graph stamp in the front of the room to make a grid in stamp in the front of the room to make a grid in your notebook BEFORE graphing)your notebook BEFORE graphing)

distancedistance

timetime

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Calculate the speed of your carCalculate the speed of your car

Explain how you calculated the Explain how you calculated the speed of your dune buggyspeed of your dune buggy

Optional: if you finish and there is Optional: if you finish and there is enough time, do the same steps for a enough time, do the same steps for a second car (get the new car from second car (get the new car from Mrs. D)Mrs. D)

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PresentationsPresentations

Record what your group did on a Record what your group did on a white board to present to the classwhite board to present to the class

Procedure (picture or words)

Graph Speed calculation

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Our Model for Speed (so far…)Our Model for Speed (so far…)Driving Question: How can we describe motion?Driving Question: How can we describe motion?

1.) Speed is the distance over the time 1.) Speed is the distance over the time s=d/ts=d/t

2.) Speed can be measured in mi/hr 2.) Speed can be measured in mi/hr ft/min in/sec m/secft/min in/sec m/sec

3.) Use metric! m/sec3.) Use metric! m/sec

4.) Velocity is the speed AND direction 4.) Velocity is the speed AND direction of the object v=d/t (positive velocity is of the object v=d/t (positive velocity is forward; negative velocity is backwards)forward; negative velocity is backwards)

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QuestionsQuestions1)1) Group X measured the time it took the car Group X measured the time it took the car

to travel 1 meter and calculated the speed to travel 1 meter and calculated the speed as 2 m/s. Group Y measured the distance as 2 m/s. Group Y measured the distance that the car went in 10 seconds and also that the car went in 10 seconds and also calculated a speed of 2 m/s. Which method calculated a speed of 2 m/s. Which method do you think is better? Why?do you think is better? Why?

2)2) What is the difference between speed and What is the difference between speed and velocity? Explain how 2 cars could have the velocity? Explain how 2 cars could have the same speed, but different velocities.same speed, but different velocities.

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Speed 2Speed 2Record these answers in your notebookRecord these answers in your notebook

3.) Group K measured the speed of 3.) Group K measured the speed of their car as 4 meters/second. Group J their car as 4 meters/second. Group J measured the speed of the same car measured the speed of the same car as 12 feet/second. Explain which speed as 12 feet/second. Explain which speed is better for physics class.is better for physics class.

4.) Explain how the wrong units can be 4.) Explain how the wrong units can be “fixed”. Did both groups come up with “fixed”. Did both groups come up with the same answer?the same answer?

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More ways to calculate speed…More ways to calculate speed…

Complete Worksheet #1 (talk each Complete Worksheet #1 (talk each problem out with your group and make problem out with your group and make your best guess – consider this a your best guess – consider this a pretest of what you can do)pretest of what you can do)

Get your work stamped when you Get your work stamped when you finish each panelfinish each panel

Finish pages 14-17Finish pages 14-17

Turn in your script (Benchmark #1)Turn in your script (Benchmark #1)

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Review

Worksheet 1 answersWorksheet 1 answers

26.) 1m/0.5s = 2 m/s26.) 1m/0.5s = 2 m/s

27.) 8m/4s = 2m/s27.) 8m/4s = 2m/s

28.) 50m/10s = 5 m/s28.) 50m/10s = 5 m/s

29.) 8km/h x 1 h = 8 km29.) 8km/h x 1 h = 8 km

30.) 10m/s x 40s = 400 m30.) 10m/s x 40s = 400 m

31.) 10km/h x 0.5h = 5 km31.) 10km/h x 0.5h = 5 km

Next time question…30km WHY?Next time question…30km WHY?

Using a motion sensorUsing a motion sensorWhat does a graph What does a graph of motion of motion awayaway from the sensor from the sensor look like? look like? Make your Make your prediction in one color, and prediction in one color, and then use a second color (or then use a second color (or a highlighter) to show the a highlighter) to show the actual graphactual graph

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Using a motion sensorUsing a motion sensorWhat does a graph What does a graph of motion of motion towardstowards the sensor look the sensor look like? like? Make your Make your prediction in one color, and prediction in one color, and then use a second color (or then use a second color (or a highlighter) to show the a highlighter) to show the actual graphactual graph

What if the object What if the object goes slower? goes slower? Faster?Faster?

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Rest, Stop, and MotionRest, Stop, and MotionDefine the Define the following words following words And make a And make a position graph and position graph and label the words on label the words on the correct location the correct location of the graphof the graph

RestRest

MotionMotion

Uniform motionUniform motion

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The rate at which position changes is The rate at which position changes is called called velocityvelocity

Velocity =Velocity = distance/time distance/time

V=d/tV=d/t

What is the average velocity of a What is the average velocity of a marathon runner who runs 26 miles marathon runner who runs 26 miles in 3 hours and 15 minutes?in 3 hours and 15 minutes?

Uniform motionUniform motion

In uniform motion the speed is In uniform motion the speed is constantconstant..

But so is the But so is the directiondirection of motion of motion

In other words, an object in uniform In other words, an object in uniform motion has constant velocitymotion has constant velocity

The velocity of an object is its The velocity of an object is its speedspeed and and directiondirection

Can two cars moving with the same Can two cars moving with the same speed collide? Explainspeed collide? Explain

Can two cars moving with the same Can two cars moving with the same velocity collide? Explainvelocity collide? Explain

AccelerationAccelerationAccelerated motion occurs when the Accelerated motion occurs when the velocity of an object is changingvelocity of an object is changing

If the If the velocityvelocity changes at a constant rate, changes at a constant rate, the motion is called the motion is called uniform accelerated uniform accelerated motionmotion..

The rate at which velocity changes is The rate at which velocity changes is called called accelerationacceleration

Acceleration = Acceleration = change in velocitychange in velocity

change in timechange in time

A = v/tA = v/t

Accelerated motion includes:Accelerated motion includes:

Speeding up Speeding up (acceleration)(acceleration)

Slowing down Slowing down (deceleration)(deceleration)

Changing direction Changing direction (so an object with (so an object with constant speed can be acceleration if constant speed can be acceleration if it is going in a circle because the it is going in a circle because the direction is always changing) (also direction is always changing) (also acceleration)acceleration)

Make up a story to go with each Make up a story to go with each graphgraph p18

Now let’s add to our model for speedNow let’s add to our model for speedDriving Question: How can we describe motion?Driving Question: How can we describe motion?

5.) When you make a position graph for 5.) When you make a position graph for constant (uniform motion) the result is a constant (uniform motion) the result is a straight linestraight line

6.) The slope of the line is velocity6.) The slope of the line is velocity

7.) Slow motion has a gradual slope7.) Slow motion has a gradual slope

8.) Fast motion has a steep slope8.) Fast motion has a steep slope

9.) If the speed is changing continuously, 9.) If the speed is changing continuously, then the graph is a curve (acceleration)then the graph is a curve (acceleration)

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Worksheet 2Worksheet 2 p19

Worksheet 2Worksheet 2Label Motion graphsLabel Motion graphs

Acceleration problems (32-37)Acceleration problems (32-37)

Get your paper stamped on each side when Get your paper stamped on each side when finishedfinished

Did you Finish your script?Did you Finish your script?

Do you need to make notebook revisions this Do you need to make notebook revisions this week?week?

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Worksheet 2 answersWorksheet 2 answers

32.) (100km/h)/10s = 10 km/h/s32.) (100km/h)/10s = 10 km/h/s

33.) (40km/h)/10s = 4 km/h/s33.) (40km/h)/10s = 4 km/h/s

34.) (25 m/s)/5s = 5 m/s34.) (25 m/s)/5s = 5 m/s22

35.) 2m/s35.) 2m/s22 x 10s = 20 m/s x 10s = 20 m/s

36.) 5 m/s36.) 5 m/s22 x 3s = 15 m/s x 3s = 15 m/s

37.a) C, A=B37.a) C, A=B

b) C, A=Bb) C, A=B

c) A,C,Bc) A,C,B

Moving Man SimulationMoving Man SimulationGoogle phetGoogle phet

– Click on “play sims”Click on “play sims”– Click on “physics”Click on “physics”– Click on “motion”Click on “motion”– Click on “Moving Man”Click on “Moving Man”

Follow the directions on the handout Follow the directions on the handout to complete each partto complete each part

Get a stamp when you are finishedGet a stamp when you are finished

Make sure your computer is OFF Make sure your computer is OFF before you close the lidbefore you close the lid

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Now let’s do Worksheet #3Now let’s do Worksheet #3

Use 2 colored pencils…one to show your Use 2 colored pencils…one to show your prediction, and one to show the final answerprediction, and one to show the final answer

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Let’s add what we learned about velocity graphs to Let’s add what we learned about velocity graphs to our Model for speedour Model for speed

10.) Velocity can be positive (forward) or 10.) Velocity can be positive (forward) or negative (backward) so our y-axis must negative (backward) so our y-axis must be modified (area below the x-axis)be modified (area below the x-axis)

11.) Constant motion=constant velocity 11.) Constant motion=constant velocity which is a straight line (look like stair which is a straight line (look like stair steps)steps)

12.) At the present time we are ignoring 12.) At the present time we are ignoring how/when objects speed up or slow downhow/when objects speed up or slow down

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Worksheet 3 AnswersWorksheet 3 Answers

Practice exercisesPractice exercises

1.) distance = speed x time1.) distance = speed x time

= 340 m/s x 2.6 seconds= 340 m/s x 2.6 seconds

= 884 meters= 884 meters

2.) velocity = distance/time 2.) velocity = distance/time

= 1000m/7.045s= 1000m/7.045s

= 141.9 m/s= 141.9 m/s

Now let’s look at another way to Now let’s look at another way to view motion…view motion…

Motion mapsMotion maps

Read the article (worksheet 4)Read the article (worksheet 4)

Complete worksheet Complete worksheet

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What would the motion map for What would the motion map for each object look like?each object look like?

A ball rolling slowlyA ball rolling slowly

A ball rolling fastA ball rolling fast

A ball that speeds upA ball that speeds up

A ball that slows downA ball that slows down

A ball that rolls fast, hits the wall and A ball that rolls fast, hits the wall and bounces back slowlybounces back slowly

A student who walks in the room, stands A student who walks in the room, stands around for 3 seconds, and then leaves around for 3 seconds, and then leaves the roomthe room p22

Worksheet 4 answersWorksheet 4 answers1.a) the car is moving at constant speed1.a) the car is moving at constant speed

b) Speeds up then slows downb) Speeds up then slows down

2.a)2.a)

speeds up constant speedspeeds up constant speed

b) b)

constant speed slows downconstant speed slows down

3.) d=vt=(350ft/s)(20s)=7000 ft3.) d=vt=(350ft/s)(20s)=7000 ft

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More worksheet 4 answersMore worksheet 4 answers4.a) v=d/t=215mi/4.5h=48 mi/h4.a) v=d/t=215mi/4.5h=48 mi/h

b.) probably 48 mi/h, maybe fasterb.) probably 48 mi/h, maybe faster

or sloweror slower

5.) v=d/t=5mi/0.25h=20 mi/h5.) v=d/t=5mi/0.25h=20 mi/h

6.a) forward at constant speed, then 6.a) forward at constant speed, then

at restat rest

b.) forward fast, rests, backward slowb.) forward fast, rests, backward slow

c.) forward constant slow, constant fastc.) forward constant slow, constant fast

d.) speeds upd.) speeds up

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Now add motion maps to our Now add motion maps to our Model of SpeedModel of Speed

13.) Objects moving slowly are 13.) Objects moving slowly are represented by short arrows. Objects represented by short arrows. Objects moving faster are represented by moving faster are represented by longer arrows.longer arrows.

14.) Arrows point in the direction of 14.) Arrows point in the direction of motionmotion

15.) Objects that stop moving leave a 15.) Objects that stop moving leave a dot for each period of time that they dot for each period of time that they are motionless.are motionless.

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Worksheet #5Worksheet #5(complete this after the quiz today…)(complete this after the quiz today…)

1.1. Average vs instant speed…Average vs instant speed…

2.2. S=d/tS=d/t

3.3. Acceleration is speeding up (+), Acceleration is speeding up (+), slowing down (-), or changing slowing down (-), or changing directiondirection

6. a=change in velocity/time6. a=change in velocity/time

7. Use words7. Use words

10. Use arrows10. Use arrows p23

Quiz 1Quiz 1

NO PHONES! Only calculators NO PHONES! Only calculators allowed during the test.allowed during the test.

Answer each question the best you Answer each question the best you cancan

Turn in your quizTurn in your quiz

Worksheet 5 – try graph #1-2 AND Worksheet 5 – try graph #1-2 AND do the back (p154) 1-3, 6-10do the back (p154) 1-3, 6-10

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Worksheet 5 answersWorksheet 5 answers

Get your paper stampedGet your paper stamped

Then we will go over the answersThen we will go over the answers

Worksheet 5 answersWorksheet 5 answers2.a) 1/15= 0.06 km/s2.a) 1/15= 0.06 km/s

b) 84/6 = 14 m/sb) 84/6 = 14 m/s

c) 9.6/2= 4.8 km/hc) 9.6/2= 4.8 km/h

d) 400/4.5= 89 km/hd) 400/4.5= 89 km/h

3.a) negative acceleration3.a) negative acceleration

b) positive accelerationb) positive acceleration

c) no accelerationc) no acceleration

d) negative accelerationd) negative acceleration

e) no acceleratione) no acceleration

f) no acceleration f) no acceleration

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Worksheet 5 answersWorksheet 5 answers

6.a) a=-45/9= -5km/h/s6.a) a=-45/9= -5km/h/s

b) negative accelerationb) negative acceleration

7.a) constant speed7.a) constant speed

b) positive accelerationb) positive acceleration

c) constant speed, speeds up, then c) constant speed, speeds up, then returns to same constant speedreturns to same constant speed

d) neg acceleration, constant speed, d) neg acceleration, constant speed, positive accelerationpositive acceleration

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More worksheet 5 answersMore worksheet 5 answers

8.) 100/2= 50 m/h8.) 100/2= 50 m/h

9.) explain how instant speed is 9.) explain how instant speed is different from average speeddifferent from average speed

10.) 10.)

Acceleration constant speedAcceleration constant speed

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Ave vs instant speedAve vs instant speed

What is the slope of line segments A, B, What is the slope of line segments A, B, and Cand C

Which represents the average?Which represents the average?

Which represents instantaneous?Which represents instantaneous?

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Draw on the graph to Draw on the graph to show speeding up show speeding up motion. Label it motion. Label it acceleration.acceleration.

Draw on the graph to Draw on the graph to show slowing down show slowing down motion motion. Label motion motion. Label it deceleration.it deceleration.

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REVIEWREVIEW

Position graphsPosition graphs

Show relationship Show relationship between distance and between distance and timetime

Straight line=constant Straight line=constant motionmotion

Curve shows Curve shows accelerationacceleration

Slope =rise/runSlope =rise/run

Velocity=d/tVelocity=d/tp25

REVIEWREVIEWVelocity graphsVelocity graphs

Show relationship Show relationship between velocity and between velocity and timetime

Horizontal line=constant Horizontal line=constant motionmotion

Sloped line=changing Sloped line=changing motionmotion

Area under the Area under the curve=displacementcurve=displacement

D=vtD=vt

A=v/tA=v/t

Acceleration graphAcceleration graph

Shows the relationship Shows the relationship between acceleration between acceleration and timeand time

Area under the curve Area under the curve is velocityis velocity

V=atV=at

D=1/2 atD=1/2 at22

Standing stillStanding still(not moving or at rest)(not moving or at rest)

Constant velocity Constant velocity (forward or backward)(forward or backward)

Changing velocity Changing velocity (speeding up or slowing down(speeding up or slowing down

Now add motion maps to our Now add motion maps to our Model of SpeedModel of Speed

16.) there are 3 types of acceleration.16.) there are 3 types of acceleration.

(+) forward, (-) backward, and changing (+) forward, (-) backward, and changing direction (at a constant speed)direction (at a constant speed)

17.) acceleration is the change in velocity 17.) acceleration is the change in velocity divided by the change in time a=divided by the change in time a=ΔΔv/v/ΔΔt t

((ΔΔ means the change over time) means the change over time)

18.) distance when traveling a constant 18.) distance when traveling a constant speed is d=vt speed is d=vt

Distance when accelerating is d=1/2atDistance when accelerating is d=1/2at22

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Worksheet 6Worksheet 6

Finish all 5 graphing problemsFinish all 5 graphing problems

Get your graphs on worksheet 5 Get your graphs on worksheet 5 stamped.stamped.

Use your notes to complete both Use your notes to complete both sides of worksheet 6.sides of worksheet 6.

Get your work stamped when Get your work stamped when completedcompleted

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Worksheet 6 answersWorksheet 6 answers

1.) yes. Constant velocity1.) yes. Constant velocity

2.) yes. If you spin in a circle2.) yes. If you spin in a circle

3.) no. if one has a head start3.) no. if one has a head start

4.) no. slow vs fast acc from zero. Both 4.) no. slow vs fast acc from zero. Both will eventually have the same speedwill eventually have the same speed

5.) yes. If acc is neg, or if fast constant s5.) yes. If acc is neg, or if fast constant s

6.) yes. But speed signs assume you will 6.) yes. But speed signs assume you will drive forward between the lines…drive forward between the lines… p26

More worksheet 6 answersMore worksheet 6 answers7.a) v=at=(2/5)(20)= 48 mi/h 7.a) v=at=(2/5)(20)= 48 mi/h

average velocity= (48-0)/2= 24 mi/haverage velocity= (48-0)/2= 24 mi/h

b) distance=vt=(24)(2/60)= 0.8 mib) distance=vt=(24)(2/60)= 0.8 mi

11.a) B11.a) B

b) Db) D

c) Ec) E

d) Ad) A

e) Fe) F

f) Cf) C p26

Thursday Thursday QUIZ 1 CORRECTIONS on p24QUIZ 1 CORRECTIONS on p24

Project groups assigned!Project groups assigned!– Write your group contractWrite your group contract– Have each member sign at the bottomHave each member sign at the bottom– Group nameGroup name– Choose a sportChoose a sport– Find/make 2 minutes of video by MondayFind/make 2 minutes of video by Monday

Quiz 2 Friday!Quiz 2 Friday!

FridayFriday

QUIZ 2QUIZ 2

Project timeProject time– Write your group contractWrite your group contract– Have each member sign at the bottomHave each member sign at the bottom– Group nameGroup name– Choose a sportChoose a sport– Find/make 2 minutes of video by Find/make 2 minutes of video by

MondayMonday

ReviewReviewnow we have 4 ways to describe motionnow we have 4 ways to describe motion

Position (or distance) vs time graphsPosition (or distance) vs time graphs

Velocity vs time graphsVelocity vs time graphs

Written descriptionWritten description

Motion mapsMotion maps

Watch the video and describe what and describe what happens to the ballhappens to the ball

Now make a position graph, a velocity Now make a position graph, a velocity graph, and a motion map for those actionsgraph, and a motion map for those actions

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Project benchmark #3Project benchmark #3Find a Find a part of your video that shows that shows each kind of action (in any order) at each kind of action (in any order) at rest, constant velocity, accelerationrest, constant velocity, acceleration

Complete the description, position Complete the description, position graph, velocity graph, and motion map graph, velocity graph, and motion map for eachfor each

Start google slide show/preziStart google slide show/preziPrezi example

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Skip to Newton’s Laws of Skip to Newton’s Laws of Motion PPTMotion PPT

Then return for the rest of Then return for the rest of these slidesthese slides

Do objects roll faster, slower, or Do objects roll faster, slower, or at constant velocity on a flat at constant velocity on a flat

(horizontal) frictionless surface?(horizontal) frictionless surface?

Newton’s first Law predicts that…Newton’s first Law predicts that…

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Horizontal Horizontal motion motion

If an object is moving If an object is moving at 30 cm/s how far at 30 cm/s how far does it move each does it move each second?second?

Constant motionConstant motion

Newton’s 1Newton’s 1stst Law Law says…says…

VelocityVelocity v=d/tv=d/t

DistanceDistance d=vtd=vt

Average velocity=Average velocity=

instant velocityinstant velocity

Timeseconds

Distance (cm)D=vt

0 =(30)(0)=0cm

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2

3

4

5

6

Do objects fall faster the longer Do objects fall faster the longer they fall?they fall?

• What would you hear if the What would you hear if the

washers were evenly spaced on the washers were evenly spaced on the string?string?

• Describe the time intervals between soundsDescribe the time intervals between sounds

same spacing:increasing space:

• What can you say about the distance What can you say about the distance travelled by a falling object during travelled by a falling object during each second of travel?each second of travel? p45

Vertical Vertical motionmotion

If an object starts at If an object starts at rest and begins rest and begins freefall how far does freefall how far does it fall each second?it fall each second?

Accelerated motionAccelerated motion(speeding up or (speeding up or slowing down)slowing down)

VelocityVelocity v=atv=at

DistanceDistance

d=1/2atd=1/2at22

Average velocityAverage velocity

= v= v00 + v + vff/2/2

Time (seconds)

DistanceD=1/2at2=5t2

0 (5)(0)2=0

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2

3

4

5

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Projectile Projectile motionmotionNow combine Now combine both the both the horizontal and horizontal and vertical vertical components. Plot components. Plot the horizontal the horizontal distance on top, distance on top, the vertical the vertical distance on the distance on the side, and then side, and then mark the mark the projectile position projectile position each second.each second.

Which metal ball will hit the Which metal ball will hit the ground first?ground first?

One that is pushed One that is pushed off the table and off the table and lands several feet lands several feet awayaway

One that is One that is dropped straight dropped straight downwardsdownwards

Draw the apparatusDraw a force diagram for each ball

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All objects fall to the ground at All objects fall to the ground at the same rate because…the same rate because… p46

Motion modelMotion model19.) Objects have horizontal motion if an 19.) Objects have horizontal motion if an unbalanced force pushed or pulled themunbalanced force pushed or pulled them

v=d/t v=d/t d=vtd=vtObjects have vertical motion (freefall) because of Objects have vertical motion (freefall) because of gravity (and possibly additional force)gravity (and possibly additional force) v=atv=atd=1/2atd=1/2at22=5t=5t2 2 gravity=10m/sgravity=10m/s22

20.) Horizontal and vertical forces are independent 20.) Horizontal and vertical forces are independent from each other. Projectile motion is the from each other. Projectile motion is the combination of both horizontal and vertical motion. combination of both horizontal and vertical motion. The range depends on the launch angle and The range depends on the launch angle and horizontal speedhorizontal speed

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Projectile motionProjectile motion

Review CDP 4-1Review CDP 4-1

Do CU (p182) 1-3Do CU (p182) 1-3

Get a stamp when finishedGet a stamp when finished

Work on projectWork on project

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PtoGo (p182)PtoGo (p182)

Each group does one problem on a Each group does one problem on a whiteboard to share with the classwhiteboard to share with the class

Record each problem as it is Record each problem as it is presented in presented in your notebookyour notebook

Mythbusters bullet motion

Finish CDP 5-1 on your ownFinish CDP 5-1 on your own

More Projectile motionMore Projectile motionBill Nye video – Review of Motion and – Review of Motion and forcesforces

CDP 6-1 (together)/7-1CDP 6-1 (together)/7-1

Review PtoGo (p182)/CDP 5-1Review PtoGo (p182)/CDP 5-1

CU(p189)1-3/PtoGo(p194)1-3CU(p189)1-3/PtoGo(p194)1-3

Finish worksheets: get stamps when Finish worksheets: get stamps when donedone

Work on projectWork on project

P47-48

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Projectile motion Projectile motion animation

CU (p189)1-3CU (p189)1-3

PtoGo (p194) 1-3PtoGo (p194) 1-3

Get all handouts (p46-49) stamped Get all handouts (p46-49) stamped when finishedwhen finished

Work on project…next deadline Friday!Work on project…next deadline Friday!

Quiz tomorrow!Quiz tomorrow!

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Group QuizGroup QuizMust stay in your seatsMust stay in your seats

Raise your hand if you need anythingRaise your hand if you need anything

Work only with your assigned group Work only with your assigned group membersmembers

All members must complete a quiz for All members must complete a quiz for creditcredit

Mrs. D will bring the stapler when you Mrs. D will bring the stapler when you are finishedare finished

Work on project!Work on project!

Physics In Action ProjectPhysics In Action ProjectExample: Example: Tennis

Complete the large paperComplete the large paper

Complete the visual aid (googledoc Complete the visual aid (googledoc slideshow)slideshow)

Presentations are TuesdayPresentations are Tuesday

what will you wear?what will you wear?

what other props/posters do you need?what other props/posters do you need?

when will you get together and practice?when will you get together and practice?

Unit Test WednesdayUnit Test Wednesday

What to study for the What to study for the Unit TestUnit Test

Everything in your notebook for Everything in your notebook for

motionmotion and and forcesforcesEspecially the Especially the motion model (p16) motion model (p16) and the and the force model (p35)force model (p35)Newton’s Laws tutorial

Review Jeopardy (on my website)Review Jeopardy (on my website)