conceptual physical science, 5e - test bank u · topic: brief history of advances in science 2) the...

Test Bank

Fifth Editi on

Paul G. Hewitt City College of San Francisco

John Suchocki

Saint Michael’s College

Leslie A. Hewitt

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Publisher: James M. Smith

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Contents Prologue: The Nature of Science ...................................................................................................... 1

Chapter 1 Patterns of Motion and Equilibrium ............................................................................. 5

Chapter 2 Newtonʹs Laws of Motion ............................................................................................. 22

Chapter 3 Momentum and Energy ................................................................................................ 43

Chapter 4 Gravity, Projectiles, and Satellites ................................................................................ 69

Chapter 5 Fluid Mechanics ............................................................................................................. 91

Chapter 6 Thermal Energy and Thermodynamics .................................................................... 113

Chapter 7 Heat Transfer and Change of Phase .......................................................................... 130

Chapter 8 Static and Current Electricity ..................................................................................... 150

Chapter 9 Magnetism and Electromagnetic Induction ............................................................. 176

Chapter 10 Waves and Sound ........................................................................................................ 195

Chapter 11 Light ............................................................................................................................... 216

Chapter 12 Atoms and the Periodic Table .................................................................................... 243

Chapter 13 The Atomic Nucleus and Radioactivity .................................................................... 274

Chapter 14 Elements of Chemistry ................................................................................................ 307

Chapter 15 How Atoms Bond and Molecules Attract ................................................................. 320

Chapter 16 Mixtures ........................................................................................................................ 356

Chapter 17 How Chemicals React .................................................................................................. 392

Chapter 18 Two Classes of Chemical Reactions .......................................................................... 421

Chapter 19 Organic Compounds ................................................................................................... 470

Chapter 20 Rocks and Minerals ...................................................................................................... 500

Chapter 21 Plate Tectonics and Earthʹs Interior ........................................................................... 529

Chapter 22 Shaping Earthʹs Surface ............................................................................................... 561

Chapter 23 Geologic Time–Reading the Rock Record ................................................................ 591

Chapter 24 The Oceans, Atmosphere, and Climatic Effects ....................................................... 616

Chapter 25 Driving Forces of Weather .......................................................................................... 647

Chapter 26 The Solar System .......................................................................................................... 672

Chapter 27 Stars and Galaxies ........................................................................................................ 689

Chapter 28 The Structure of Space and Time ............................................................................... 705

Prologue: The Nature of Science

The Nature of Science

1) Science is a body of knowledge that extends back toA) humankindʹs beginnings. B) Greece in the 7th century B.C.C) Italy in the 16th century. D) the time of Galileo.

Answer: ADiff: 1Topic: Brief History of Advances in Science

2) The language of science isA) mathematics. B) Latin. C) Chinese. D) Arabic.

Answer: ADiff: 1Topic: Mathematics and Conceptual Physical Science

3) Scientific equations in a conceptual course are mainlyA) recipes for plugging in numerical data.B) guides to thinking about the relationships between concepts.C) for mathematical problem solving.D) unfortunately a confusing way of explaining ideas.

Answer: BDiff: 1Topic: Mathematics and Conceptual Physical Science

4) The scientific method is most effective inA) making hypotheses.B) gaining, organizing, and applying new knowledge.C) discovering new things.D) making theories.E) performing experiments.

Answer: BDiff: 1Topic: Scientific Methods

5) In science, an educated guess is aA) hypothesis. B) theory. C) both

Answer: ADiff: 1Topic: Scientific Methods

6) In science, factsA) are absolute. B) may change.C) mean very little. D) are more important than theories.

Answer: BDiff: 1Topic: The Scientific Attitude

Copyright © 2012 Pearson Education, Inc. 1

Test Bank for Conceptual Physical Science, 5/e

7) The synthesis of a large collection of information that contains well-tested and verifiedhypotheses about certain aspects of the world is known as a scientific

A) fact.B) hypothesis.C) law or principle.D) theory.E) none of the above

Answer: DDiff: 1Topic: The Scientific Attitude

8) Success in science is mainly linked to emphasis onA) experiments. B) luck.C) trial and error. D) philosophical discussions.

Answer: ADiff: 1Topic: The Scientific Attitude

9) Which of these is a scientific hypothesis (that could be proved wrong)?A) atoms in proper proportions make us feel goodB) atoms are in all the stars in the universeC) an atom is the smallest bit of matter in a materialD) none of the above

Answer: CDiff: 1Topic: The Scientific Attitude

10) Which of the following is a scientific statement?A) the Moon is made of green cheeseB) matter is filled with undetectable particlesC) there are parts of the universe that will never be found by humansD) none of the above


11) A scientific hypothesis can be disproved withA) one reproducible experiment. B) disapproval of other scientists.C) many tests by many scientists. D) philosophical reasoning.


2 Copyright © 2012 Pearson Education, Inc.

Prologue: The Nature of Science

12) In science, a theory isA) an educated guess.B) less than a fact.C) a synthesis of a large body of well-tested knowledge.D) unchangeable.


13) When a scientist is dishonest and reports false information, he or sheA) will usually be excused by the scientific community.B) after an apology, will be excused by the scientific community.C) gets no second chance in the scientific community.D) will likely be burned at the stake.


14) A hypothesis that is scientific must have a test for proving itA) right. B) wrong. C) either.


15) The statement, ʺThere are regions beneath the Earthʹs crust that will always be beyond thereach of scientific investigation,ʺ is

A) a fact. B) speculation.C) a scientific statement. D) a theory.


16) Science, art, and religion need not contradict one another becauseA) all three operate in different domains.B) choosing the correct one allows you can forget the other two.C) choosing religion and art allows you to dismiss science.D) choosing science means that you can forget about religion and art.

Answer: ADiff: 2Topic: Science Has Limitations

17) Science is concerned mainly with theA) natural world. B) spiritual world.C) difference between right and wrong. D) search for eternal truths.

Answer: ADiff: 1Topic: Science Has Limitations



18) A truly educated person is knowledgeable aboutA) science. B) the arts.C) religion. D) all of the above

Answer: DDiff: 1Topic: Science, Art, and Religion

19) Which of the following involves passion, talent, and intelligence?A) artB) literatureC) musicD) scienceE) all of the above

Answer: EDiff: 1Topic: Science, Art, and Religion

20) Science and technology areA) really one and the same.B) responsible for all the good in the world.C) responsible for all that is wrong in the world.D) fundamentally different from each other.

Answer: DDiff: 1Topic: TechnologyThe Practical Use of Science

21) Technology is mainlyA) a body of scientific knowledge. B) a tool of science.C) what is wrong with the world. D) a solution to all of mankindʹs problems.

Answer: BDiff: 2Topic: TechnologyThe Practical Use of Science

22) Of the sciences known as physics, chemistry, and biology, the most basic isA) physics.B) chemistry.C) biology.D) none in particular, as each may be considered fundamental.

Answer: ADiff: 1Topic: The Physical Sciences


Chapter 1 Patterns of Motion and Equilibrium

1.1 Aristotle on Motion

1) Aristotle treated motion byA) comparing the distance traveled with the time of travel.B) measurements of distance travelled.C) classifying it into two classes.D) all of the above

Answer: CDiff: 1Topic: Aristotle on Motion

2) Aristotle believed that natural laws could be understood byA) experiment. B) logic. C) patterns. D) mathematics.

Answer: BDiff: 1Topic: Aristotle on Motion

3) In contrast to Aristotleʹs way of explaining nature, Galileo relied onA) experiment. B) logic. C) patterns. D) mathematics.

Answer: ADiff: 1Topic: Aristotle on Motion

4) Galileoʹs demonstration at the Leaning Tower of PisaA) confirmed Aristotleʹs teachings. B) refuted Aristotleʹs teachings.C) failed in their purpose. D) none of the above

Answer: BDiff: 1Topic: Aristotle on Motion

1.2 Galileoʹs Concept of Inertia

1) The scientist to first introduce the concept of inertia wasA) Aristotle. B) Galileo. C) Newton. D) Copernicus.

Answer: BDiff: 1Topic: Galileoʹs Concept of Inertia

2) Science greatly advanced when Galileo favoredA) philosophical discussions. B) experiment.C) non-mathematical thinking. D) none of the above




3) Galileo said that if you rolled a ball along a level surface it wouldA) slow down due to its natural tendency to come to rest.B) keep rolling without slowing down if no friction acted upon it.C) roll as long as its inertia nudged it along.D) roll in the opposite direction.


4) When Galileo rolled a ball down an incline and up another incline, he found that the ballrolled nearly to

A) its initial height. B) halfway its original height.C) three quarters its original height. D) higher than its original height.

Answer: ADiff: 1Topic: Galileoʹs Concept of Inertia

5) According to Galileo, inertia is aA) force like any other force. B) special kind of force.C) property of all matter. D) concept opposite to force.

Answer: CDiff: 1Topic: Galileoʹs Concept of Inertia

6) According to Galileo, the test of scientific truth isA) experiment. B) philosophical discussion.C) finding patterns in nature. D) logic.

Answer: ADiff: 1Topic: Galileoʹs Concept of Inertia

1.3 Mass-A Measure of Inertia

1) Which has the greatest mass?A) king-size pillow B) a scrunched up king-size pillowC) automobile battery D) all about the same

Answer: CDiff: 1Topic: MassA Measure of Inertia

2) A kilogram is a measure of an objectʹsA) weight. B) force. C) mass. D) gravity.




3) Compared with a 1-kg block of solid iron, a 2-kg block of solid iron has twice as muchA) inertia.B) mass.C) volume.D) all of the aboveE) none of the above

Answer: DDiff: 2Topic: MassA Measure of Inertia

4) Compared with a 1-kg block of solid iron, a 2-kg block of solid iron has the sameA) mass.B) volume.C) weight.D) all of the aboveE) none of the above

Answer: EDiff: 2Topic: MassA Measure of Inertia

5) An object that has twice as much mass as another object also has twice as muchA) inertia.B) velocity.C) gravitational acceleration.D) volume.E) all of the above

Answer: ADiff: 2Topic: MassA Measure of Inertia

6) Compared with the mass of a certain object on Earth, the mass of the same object on the Moonis

A) less. B) more. C) the same.Answer: CDiff: 1Topic: MassA Measure of Inertia

7) Your weight isA) another word for your mass.B) the gravitational attraction between you and Earth.C) a property of mechanical equilibrium.D) the same in all locations.

Answer: BDiff: 1Topic: MassA Measure of Inertia



8) A 1-kg mass at Earthʹs surface weighs aboutA) 1 N.B) 5 N.C) 10 N.D) 12 N.E) none of the above


9) You would have the largest mass of gold if it weighed 1 N on theA) Moon. B) Earth. C) both the same

Answer: ADiff: 3Topic: MassA Measure of Inertia

10) An object weighs 30 N on Earth. A second object weighs 30 N on the Moon. The object withthe greater mass is the one on

A) Earth. B) the Moon.C) same for each. D) not enough information

Answer: BDiff: 3Topic: MassA Measure of Inertia

11) Distinguish between the concepts of mass and weight. Which is more fundamental, and why?Answer: Mass is the quantity of matter in an object while weight is the force due to gravity on

the object. Mass is more fundamental than weight because it only involves the objectitself, whereas weight may vary for the same object in different locations. For example, ablock of matter will weigh less on the Moon than on Earth.

Diff: 1Topic: MassA Measure of Inertia

1.4 Net Force

1) A girl pushes a cart to the left with a 100-N force. A boy pushes it to the right with a 50-Nforce. The net force exerted on the cart is

A) 50 N to the left. B) 50 N to the right.C) 100 N to the left. D) 100 N to the right.

Answer: ADiff: 1Topic: Net Force

2) When a 10-kg block is simultaneously pushed toward the east with 20 N and toward the westwith 15 N, the combination of these forces on the block is

A) 5 N west. B) 5 N east. C) 35 N east D) 35 N west.Answer: BDiff: 2Topic: Net Force



3) An object is pulled with two forces, 10 N northward and 15 N southward. The magnitude ofthe net force is

A) 0 N.B) 5 N.C) 10 N.D) 15 N.E) none of the above

Answer: BDiff: 2Topic: Net Force

4) An object is pulled with two forces, 10 N northward and 15 N southward. The direction of thenet force is to the

A) north.B) south.C) east.D) west.E) none of the above

Answer: BDiff: 2Topic: Net Force

5) An object is pulled with three forces: one at 20 N to the right, another at 40 N to the right, andthe third at 30 N to the left. The net force is

A) 60 N to the right. B) 60 N to the left.C) 30 N to the left. D) none of the above

Answer: DDiff: 2Topic: Net Force

6) A 50-N object falling in air experiences 30 N of air resistance. The amount of net force on thefalling object is

A) 0 N. B) 20 N. C) 50 N. D) 80 N.Answer: BDiff: 2Topic: Net Force

7) A 50-N object falling in air experiences 50 N of air resistance. The amount of net force on thefalling object is

A) 0 N. B) 25 N. C) 50 N. D) 100 N.Answer: ADiff: 2Topic: Net Force



1.5 The Equilibrium Rule

1) Which has zero acceleration?A) an object at restB) an object moving at constant velocityC) an object in mechanical equilibriumD) all of the aboveE) none of the above

Answer: DDiff: 1Topic: The Equilibrium Rule

2) Whenever the net force on an object is zero, its accelerationA) may be zero. B) is zero.C) and velocity are the same. D) none of the above

Answer: BDiff: 1Topic: The Equilibrium Rule

3) When a 10-N object is suspended at rest by two vertical strands of rope, the tension in eachrope is

A) less than 5 N. B) 5 N.C) more than 5 N. D) 10 N.


4) When sign painters Burl and Paul stand on opposite ends of a scaffold, the tensions in each ofthe two supporting ropes

A) are equal.B) depend on the relative weights of Burl and Paul.C) combine to equal zero.D) none of the above


5) If Burl carried Paul piggy-back while standing in the middle of a scaffold, the tensions in thetwo supporting ropes would

A) cancel to zero. B) be equal.C) be unequal. D) more easily support Burl and Paul.




6) Burl and Paul have a total weight of 1300 N. The tensions in the ropes that support the scaffoldthey stand on add to 1700 N. The weight of the scaffold itself must be

A) 400 N. B) 500 N. C) 600 N. D) 800 N.Answer: ADiff: 3Topic: The Equilibrium Rule

7) What is the meaning of the expression ΣF = 0?Answer: This is the mathematical expression for the equilibrium rule, which states that the vector

sum of the forces acting on an object is equal to zero if that object is in a state of rest, or astate of unchanging velocity. ʺVector sumʺ means that direction is vital. If for example,an object is pulled to the left and doesnʹt move, then an equal and opposite force mustbe pulling on the right, cancelling the pulls to zero. The fact that the object doesnʹtchange how it moves is evidence of this.

Diff: 1Topic: The Equilibrium Rule

8) Give three examples of the equilibrium rule that are not cited in the textbook.Answer: Open ended. Whatever the objects listed, they must be in a non-accelerated state (no

changes in their states of motion.)Diff: 1Topic: The Equilibrium Rule

1.6 Support Force

1) Place a book that weighs 10 N on a horizontal surface and the support force on the book isA) less than 10 N.B) 10 N.C) greater than 10 N.D) dependent on whether the book lies flat or stands upright.

Answer: BDiff: 1Topic: Support Force

2) When you stand at rest on a pair of bathroom scales, the readings on the scales will alwaysA) each be half your weight. B) each equal your weight.C) add to equal your weight. D) add up to more than your weight.

Answer: CDiff: 2Topic: Support Force

3) Fido weighs 120 N and carries Trixie who weighs 40 N on her back. The support force onFidoʹs feet is

A) 40 N. B) 120 N.C) 160 N. D) more than 160 N.




4) You hang from a pair of gym rings and the upward support forces of the rings will alwaysA) each be half your weight. B) each be equal to your weight.C) add up to equal your weight. D) add up to more than your weight.


5) A man weighing 800 N stands at rest on two bathroom scales so that his weight is distributedevenly over both scales. The reading on each scale is



6) A man weighing 800 N stands at rest on two bathroom scales so that one scale shows areading of 500 N. The reading on the other scale is



7) When you stand at rest on a floor, the number of vertical forces acting on you isA) zero. B) one. C) two. D) three. E) four.


1.7 Dynamic Equilibrium

1) An object in mechanical equilibrium is an objectA) at rest. B) moving at constant velocity.C) with no acceleration. D) all of the above

Answer: DDiff: 1Topic: Dynamic Equilibrium



2) If a non-rotating object has no acceleration, then we can say for certain that it isA) at rest.B) moving at constant nonzero velocity.C) in mechanical equilibrium.D) all of the aboveE) none of the above

Answer: CDiff: 2Topic: Dynamic Equilibrium

3) The force of friction on a sliding object is 10 N. The applied force needed to maintain aconstant velocity is

A) more than 10 N. B) less than 10 N. C) 10 N.Answer: CDiff: 1Topic: Dynamic Equilibrium

4) A bucket of cement is raised by a rope at constant speed at a construction site. The upwardforce on the bucket supplied by the rope is

A) greater than the force of gravity.B) equal to the force of gravity.C) less than the force of gravity.

Answer: BDiff: 2Topic: Dynamic Equilibrium

5) The equilibrium rule �F = 0 applies toA) objects or systems at rest.B) objects or systems in uniform motion in a straight line.C) bothD) neither

Answer: CDiff: 1Topic: Dynamic Equilibrium

6) When a crate slides down an incline at a constant velocity it isA) in dynamic equilibrium.B) not in dynamic equilibrium.C) in a state of being in and out of dynamic equilibrium.D) none of the above

Answer: ADiff: 2Topic: Dynamic Equilibrium



7) A parachutist falling at constant velocity is in a state ofA) dynamic equilibrium.B) non-dynamic equilibrium.C) being in and out of dynamic equilibrium.D) none of the above

Answer: ADiff: 2Topic: Dynamic Equilibrium

1.8 The Force of Friction

1) When you push your desk to the right, friction on the desk acts towardA) the left. B) the right.C) at right angles to your push. D) none of the above

Answer: ADiff: 1Topic: The Force of Friction

2) The resistive force of friction occurs forA) solids. B) liquids.C) gases. D) all of the above

Answer: DDiff: 1Topic: The Force of Friction

3) The amount of friction that occurs when two blocks slide against each other depends onA) how much they are pressed together.B) the ʺstickinessʺ of atoms on their surfaces.C) bothD) none of the above

Answer: CDiff: 1Topic: The Force of Friction

4) When you push a crate across a level floor at constant speed, friction between the crate and thefloor is

A) less than your pushing force.B) the same amount as your pushing force.C) more than your pushing force.D) none of the above

Answer: BDiff: 1Topic: The Force of Friction



5) A 3000-N bear grasping a vertical tree slides down at constant velocity. The friction forcebetween the tree and the bear is

A) 30 N. B) 300 N.C) 3000 N. D) more than 3000 N.


6) While a crate rests on a horizontal floor the friction force acting on the crate isA) zero.B) equal to the weight of the crate.C) between zero and the weight of the crate.D) none of the above


1.9 Speed and Velocity

1) The two measurements necessary for calculating average speed areA) acceleration and time.B) velocity and time.C) distance and time.D) distance and acceleration.E) velocity and distance.

Answer: CDiff: 1Topic: Speed and Velocity

2) What did Galileo incorporate in his study of motion that Aristotle overlooked?A) the role of distance B) the role of timeC) the role of space D) none of the above

Answer: BDiff: 1Topic: Speed and Velocity

3) A glance at your speedometer will tell you yourA) average speed. B) instantaneous speed.C) overall speed. D) acceleration.


4) Nellie runs the length of a 100-yard football field in a time of 20 seconds. Her average runningspeed is

A) 1/2 yard/s. B) 5 yards/s.C) 50 yards/s. D) not enough information




5) The average speed of a deer traveling a distance of 2 km in a time of one-half hour isA) 1 km/h. B) 2 km/h.C) 4 km/h. D) more than 4 km/h.

Answer: CDiff: 2Topic: Speed and Velocity

6) When she hikes a distance of 1 km in a time of one-half hour her average speed isA) nearly 1 km/h. B) 1 km/h.C) slightly more than 1 km/h. D) twice 1 km/h.

Answer: DDiff: 2Topic: Speed and Velocity

7) Youʹre lying on the sand on a breezy day when a pesky fly wishes to join you. The breeze isblowing at a steady 2 m/s. In order for the fly to land on you it should hover over you whileflying

A) against the breeze at 2 m/s. B) with the breeze at 2 m/s.C) faster than 2 m/s. D) about 4 m/s relative to the breeze.

Answer: ADiff: 2Topic: Speed and Velocity

8) While in an airplane flying at 100 km/h you look down from the window and spot anotherairplane flying at the same speed in the opposite direction. Relative to you, the speed of thespotted plane is

A) zero. B) 100 km/h. C) 150 km/h. D) 200 km/h.Answer: DDiff: 2Topic: Speed and Velocity

9) Youʹre driving in a car at 50 km/h and bump into a car ahead traveling at 48 km/h in the samedirection. The speed of impact is

A) zero. B) 2 km/h. C) 48 km/h. D) 50 km/h. E) 98 km/h.Answer: BDiff: 2Topic: Speed and Velocity

10) In a dream youʹre in a car traveling at 50 km/h and you bump into another car travelingtoward you at 48 km/h. The speed of impact is

A) 48 km/h. B) 50 km/h. C) 98 km/h. D) 2400 km/h.Answer: CDiff: 2Topic: Speed and Velocity



11) Carefully distinguish between the concepts of velocity and acceleration, with an example ofeach.Answer: Velocity is a measure of how fast something moves, while acceleration is a measure of

how quickly a moving object changes its state of motion. A bowling ball rolling along analley is an example of an object with velocity. An example of an object accelerating is thesame bowling ball rolling off the edge of a supporting surface, changing from steadymotion in a straight line. When it changes its state of motion we say it accelerates.

Diff: 2Topic: Speed and Velocity/Acceleration

1.10 Acceleration

1) When a ball increases in speed by the same amount each second, its accelerationA) also increases each second. B) decreases each second.C) is constant. D) varies.

Answer: CDiff: 1Topic: Acceleration

2) If a ball rolls down an inclined plane and picks up 4 m/s each second it rolls, its acceleration isA) one half of 4 m/s. B) one half of 4 m/s2.C) 4 m/s2. D) 10 m/s2.


3) A motor scooter undergoes acceleration when itA) gains speed. B) decreases speed.C) changes direction. D) all of the above.

Answer: DDiff: 1Topic: Acceleration

4) A tutor will be correct in saying that velocity and acceleration areA) the same concept, but expressed differently.B) rates of one another.C) expressions for changing speeds.D) different concepts.


5) When a falling object gains 10 m/s each second, its acceleration isA) 10 m/s. B) 10 m/s2.C) directed upward. D) steadily increasing.

Answer: BDiff: 1Topic: Acceleration



6) At the end of two seconds of free fall, an object released from rest will have a speed ofA) 5 m/s. B) 10 m/s.C) 15 m/s. D) none of the above


7) One-half second after starting from rest, a freely falling object will have a speed of aboutA) 5 m/s. B) 10 m/s.C) 15 m/s. D) none of the above

Answer: ADiff: 2Topic: Acceleration

8) During each second of free fall, the speed of an objectA) increases by the same amount.B) changes by increasing amounts each second.C) remains constant.D) doubles each second.


9) If a freely falling object were somehow equipped with a speedometer, its speed reading wouldincrease each second by about

A) 5 m/s. B) 10 m/s.C) 15 m/s. D) a variable amount.


10) At the end of 2 seconds of free fall, an apple falling from rest has a speed ofA) 1 m/s. B) 5 m/s.C) 10 m/s. D) more than 10 m/s.


11) An object in free fall has a speed of 60 m/s. One second later its speed isA) 10 m/s. B) 30 m/s. C) 60 m/s. D) 70 m/s.




12) A free-falling object has a speed of 30 m/s at one instant. Exactly 2 seconds later its speed willbe

A) the same. B) 40 m/s.C) 50 m/s. D) more than 50 m/s.


13) The average speed of a horse that gallops a distance of 10 km in a time of 30 min isA) 10 km/h. B) 20 km/h.C) 30 km/h. D) more than 30 km/h.


14) As an object freely falls, itsA) velocity increases. B) acceleration increases.C) both D) none of the above


15) The gain in speed each second for a freely falling object is aboutA) 0 m/s.B) 5 m/s.C) 10 m/s.D) 20 m/s.E) depends on the initial speed.


16) An object travels 8 m in the 1st second of travel, 8 m again during the 2nd second of travel,and 8 m again during the 3rd second. Its acceleration is

A) 0 m/s2.B) 5 m/s2.C) 8 m/s2.D) 10 m/s2.E) more than 10 m/s2.


17) The speed of a vertically-thrown ball at the top of its path isA) zero. B) 10 m/s2.C) between zero and 10 m/s2. D) dependent on the mass of the ball.




18) If you toss a ball straight upward at 40 m/s, with no air resistance it returns to you at a speedof

A) zero. B) 10 m/s.C) 40 m/s. D) more than 40 m/s.


19) The acceleration of a cart moving down an inclined plane (a ramp)A) is constant. B) increases with time. C) decreases with time.


20) What is the acceleration of a car that maintains a constant velocity of 100 km/h for 10 s?A) 0 m/s2 B) 10 km/h/s C) 10 m/s2 D) 1000 km/h/s


21) If a Jaguar sports car accelerates from zero to 100 km/h in 3.0 s its acceleration isA) 0.03 km/h/s. B) 0.06 km/h/s. C) 33.3 km/h/s. D) 66 km/h/s.


22) If you toss a ball straight upward at 40 m/s with no air resistance, one second before it reachesthe top of its path its speed is

A) zero. B) 10 m/s. C) 20 m/s. D) 30 m/s E) 40 m/s.Answer: ADiff: 2Topic: Acceleration

23) If you toss a ball straight upward at 40 m/s with no air resistance, one second after it reachesthe top of its path its speed is

A) zero. B) 10 m/s. C) 20 m/s. D) 30 m/s E) 40 m/s.Answer: ADiff: 2Topic: Acceleration

24) If you toss a ball straight upward at 40 m/s with no air resistance, 6 seconds later its speed isA) zero. B) 10 m/s. C) 20 m/s. D) 30 m/s E) 40 m/s.




25) If a freely falling object were somehow equipped with a speedometer on a planet where theacceleration due to gravity is 20 m/s2, then its speed reading would increase each second by

A) 10 m/s.B) 20 m/s.C) 30 m/s.D) 40 m/s.E) depends on its initial speed.


26) The vertical height attained by a basketball player who achieves a hang time of a full 1 s isabout

A) 0.8 m.B) 1 m.C) 1.2 m.D) 2.5 m.E) more than 2.5 m.


27) On the surface of the Moon where acceleration due to gravity is less, a personʹs hang timewould be

A) longer. B) shorter. C) the same as on Earth.Answer: ADiff: 3Topic: Acceleration


conceptual physical science, 5e - test bank u · topic: brief history of advances in science 2) the...

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