Marks: 1 A rock is rolled in the sand. It starts at 5.0 m/s, moves in a straight line for a distance of 3.0 m, and then stops. What is the magnitude of the average acceleration?Choose one answer.

a. 1.8

b. 4.2

c. 5.4

d. 6.2

e. 7.1 CorrectMarks for this submission: 1/1.Question 2 Marks: 1 A book sits at rest on a table. Which force does Newton's third law tell us is equal and opposite to the gravitational force acting on the book?Choose one answer.

a. the normal force by the table on the book

b. the normal force by the book on the table

c. the gravitational force by the book on Earth

d. the net force on the book

IncorrectMarks for this submission: 0/1.Question 3 Marks: 1 A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (on the fly at shoulder level) by the catcher. At what point is the magnitude of the acceleration at a minimum? (air resistance is negligible)Choose one answer.

a. just after leaving the center fielder's hand

b. just before arriving at the catcher's mitt

c. at the top of the trajectory

d. acceleration is constant during entire trajectory

e. both a and b are correct

IncorrectMarks for this submission: 0/1.Question 4 Marks: 1

A 70.0-kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.0200 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones?Choose one answer.

a. 15 500 N

b. 7 010 N

c. 4 900 N

d. 3 500 N

e. 2.600 N

IncorrectMarks for this submission: 0/1.Question 5 Marks: 1 Sebuah batu diikatkan pada ujung seutas tali dan diputar dengan kelajuan konstan di sekitar lintaran melingkar horizontal dengan jari-jari 1,5 m. Apabila bola tersebut melakukan dua kali putaran tiap detiknya, maka besar percepatan batu tersebut adalah:Choose one answer.

a. 0,24

b. 2,4

c. 24

d. 240

e. 2400 IncorrectMarks for this submission: 0/1.Question 6 Marks: 1 Sebuah sampel biologi berada dalam mesin centrifuge dan memiliki percepatan sentripetal 25g. Lajunya adalah:Choose one answer.

a. 11 m/s

b. 16 m/s

c. 50 m/s

d. 122 m/s

e. 245 m/s

IncorrectMarks for this submission: 0/1.Question 7 Marks: 1 Forces of 4 N and 6 N act on an object. What is the minimum value for the sum of these two forces?Choose one answer.

a. zero

b. 2 N

c. 4 N

d. 10 N

CorrectMarks for this submission: 1/1.Question 8 Marks: 1 Sebuah batu dilemparkan dari tas sebuah gedung tinggi, lintasannya adalah:Choose one answer.

a. Melingkar

b. Membuat dua ruas garis

c. Hiperbola

d. Parabola

e. Garis lurus

CorrectMarks for this submission: 1/1.Question 9 Marks: 1 A baseball is hit with a vertical speed of 10 m/s and a horizontal speed of 30 m/s. How long will the ball remain in the air?Choose one answer.

a. 1 s

b. 2 s

c. 3 s

d. 6 s

e. 9 s

IncorrectMarks for this submission: 0/1.Question 10 Marks: 1 As a body falls through air starting from rest, its accelerationChoose one answer.

a. is zero.

b. stays constant.

c. continuously decreases.

d. continuously increases

e. gets smaller and smaller, eventually approaching zero.

Incorrect

Marks for this submission: 0/1.Question 1

Marks: 1

Plane A is flying at 400 mph in the northeast direction relative to the earth. Plane B is flying at 500 mph in the north direction relative to the earth. What is the direction of motion of Plane B as observed from Plane A?

Choose one answer.

a. N of E

b. N of W

c. N of W

d. N of W

e. N of E

Incorrect

Marks for this submission: 0/1.

Question 2

Marks: 1

A car drives off a vertical cliff at a speed of 24 m/s. If it takes 3 s for the car to hit the ground, how far from the base of the cliff does it land?

Choose one answer.

a. 3 m

b. 8 m

c. 24 m

d. 72 m

e. 45 m

Correct

Marks for this submission: 1/1.

Question 3

Marks: 1

A 200-N crate rests on an ramp; the maximum angle just before it slips is with the horizontal. What is the coefficient of static friction between crate and ramp surfaces?

Choose one answer.

a. 0.11

b. 0.21

c. 0.38

d. 0.47

e. 0.52

Correct

Marks for this submission: 1/1.

Question 4

Marks: 1

What net force is needed to accelerate a 60-kg ice skater at 2 ?

Choose one answer.

a. zero

b. 30 N

c. 60 N

d. 120 N

Correct

Marks for this submission: 1/1.

Question 5

Marks: 1

A crate has a mass of 24 kg. What applied force is required to produce an acceleration of 3 if the frictional force is known to be 90 N?

Choose one answer.

a. 72 N

b. 90 N

c. 162 N

d. 240 N

Correct

Marks for this submission: 1/1.

Question 6

Marks: 1

What is the net force on a 2000kg car that is traveling in a straight line at a constant speed of 40 m/s?

Choose one answer.

a. zero

b. 40 N

c. 2000 N

d. (40 m/s) x (2000 kg)

Correct

Marks for this submission: 1/1.

Question 7

Marks: 1

A physics student reports that upon arrival on planet X, he promptly sets up the "monkeyshoot" demonstration. If the gravity on planet X is twice what it is on Earth, he should obtain a

Choose one answer.

a. miss because the monkey's weight is twice as big on planet X.

b. hit only if the ball's horizontal velocity is increased.

c. miss because the monkey's mass is unchanged.

d. hit because the ball and the monkey fall vertically with the same acceleration.

e. It can not be concluded due to the lack of information

Incorrect

Marks for this submission: 0/1.

Question 8

Marks: 1

Which of the following is not a vector quantity?

Choose one answer.

a. force

b. acceleration

c. weight

d. mass

Correct

Marks for this submission: 1/1.

Question 9

Marks: 1

Sebuah sampel biologi berada dalam mesin centrifuge dan memiliki percepatan sentripetal 25g. Lajunya adalah:

Choose one answer.

a. 11 m/s

b. 16 m/s

c. 50 m/s

d. 122 m/s

e. 245 m/s

Correct

Marks for this submission: 1/1.

Question 10

Marks: 1

Sebuah perahu motor dapat bergerak dengan kecepatan 10 km/jam di sungai berarus. Arus sungai adalah 5 km/jam ke arah barat. Pengemudi perahu motor tersebut berharap dapat melintas dari selatan sungai hingga ke titik yang berlawanan arah di utara sungai. Pada sudut berapa perahu motor harus diarahkan?

Choose one answer.

a. ke timur dari utara

b. ke timur dari utara

c. ke timur dari utara

d. ke timur dari utara

e. Bergantung pada lebar sungai

Correct

Marks for this submission: 1/1.

Question 1

Marks: 1

Manakah di antara besaran berikut yang merupakan besaran skalar?

Choose one answer.

a. Kelajuan

b. Kecepatan

c. Perpindahan

d. Percepatan

e. Tidak ada jawaban yang benar

Correct

Marks for this submission: 1/1.

Question 2

Marks: 1

A shot-putter moves his arm and the 7.0-kg shot through a distance of 1.0 m, giving the shot a velocity of 10 m/s from rest. Find the average force exerted on the shot during this time.

Choose one answer.

a. 175 N

b. 350 N

c. 525 N

d. 700 N

e. 855 N

Correct

Marks for this submission: 1/1.

Question 3

Marks: 1

A 150-N sled is pulled up a slope at a constant speed by a force of 100 N. What is the coefficient of kinetic friction between sled and slope?

Choose one answer.

a. 0.53

b. 0.22

c. 0.13

d. 0.33

e. 0.41

Correct

Marks for this submission: 1/1.

Question 4

Marks: 1

By what factor does the centripetal acceleration change if a car goes around a corner twice as fast?

Choose one answer.

a. 0.5

b. It stays the same.

c. 2

d. 4

e. 6

Correct

Marks for this submission: 1/1.

Question 5

Marks: 1

A crate has a mass of 24 kg. What applied force is required to produce an acceleration of 3 if the frictional force is known to be 90 N?

Choose one answer.

a. 72 N

b. 90 N

c. 162 N

d. 240 N

Correct

Marks for this submission: 1/1.

Question 6

Marks: 1

Sebuah bola dilemparkan horizonal dari atas suatu bukit yang tingginya 20 m. Bola tersebut menumbuk

dasar bukit dengan sudut . Dengan kecepatan berapakah bola tersebut dilemparn?

Choose one answer.

a. 14 m/s

b. 20 m/s

c. 28 m/s

d. 32 m/s

e. 40 m/s

Correct

Marks for this submission: 1/1.

Question 7

Marks: 1

A 5 000-N weight is suspended in equilibrium by two cables. Cable 1 applies a horizontal force to the

right of the object and has a tension, . Cable 2 applies a force upward and to the left at an angle of

to the negative x axis and has a tension, . Find .

Choose one answer.

a. 4 000 N

b. 6 640 N

c. 8 310 N

d. 3 340 N

e. 9 120 N

Incorrect

Marks for this submission: 0/1.

Question 8

Marks: 1

Sebuah pesawat membuat putaran erlahan-lahan ketika terbang dengan kelajuan konstan 200 m/s. Proses ini memerlukan waktu 20,0 detik untuk menyelesaikan putaran. Selama memutar tersebut, besarnya percepatan rata-rata pesawat adalah:

Choose one answer.

a. Nol

b. 40

c. 20

d. 14

e. 10

Incorrect

Marks for this submission: 0/1.

Question 9

Marks: 1

A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (on the fly at an equal shoulder level) by the catcher. At what point is the ball's speed at a minimum? (air resistance is negligible)

Choose one answer.

a. just after leaving the center fielder's hand

b. just before arriving at the catcher's mitt

c. at the top of the trajectory

d. speed is constant during entire trajectory

e. both a and b are correct

Incorrect

Marks for this submission: 0/1.

Question 10

Marks: 1

What is the net force on a 2000kg car that is traveling in a straight line at a constant speed of 40 m/s?

Choose one answer.

a. zero

b. 40 N

c. 2000 N

d. (40 m/s) x (2000 kg)

Correct

Marks for this submission: 1/1.

Question 1

Marks: 1

A child stands on a bathroom scale while riding in an elevator. The child's weight when the elevator is not moving is 500 N. What does the scale read when the elevator accelerates upward while traveling downward?

Choose one answer.

a. greater than 500 N

b. less than 500 N

c. equal to 500 N

d. 200 N

e. 0

Correct

Marks for this submission: 1/1.

Question 2

Marks: 1

A boxcar of mass 200 tons at rest becomes uncoupled on a grade. If the track is considered to be frictionless, what speed does the boxcar have after 10 seconds?

Choose one answer.

a. 0.37 m/s

b. 0.59 m/s

c. 1.3 m/s

d. 4.3 m/s

e. 5.2 m/s

Correct

Marks for this submission: 1/1.

Question 3

Marks: 1

Percepatan didefinisikan sebagai:

Choose one answer.

a. Laju perubahan posisi terhadap waktu

b. Kelajuan dibagi dengan waktu

c. Laju perubahan kecepatan terhadap waktu

d. Dipercepat atau diperlambat

e. Perubahan kecepatan

Correct

Marks for this submission: 1/1.

Question 4

Marks: 1

Sebuah batu dilemparkan secara horizontal dan bergerak mengikuti lintasan parabola. Ketika batu bergerak ke arah tenggara, arah percepatan batu adalah:

Choose one answer.

a.

b.

c.

d.

e.

Correct

Marks for this submission: 1/1.

Question 5

Marks: 1

A boat moves at 10.0 m/s relative to the water. If the boat is in a river where the current is 2.00 m/s, how long does it take the boat to make a complete round trip of 1 000 m upstream followed by a 1 000-m trip downstream?

Choose one answer.

a. 200 s

b. 203 s

c. 208 s

d. 250 s

e. 262 s

Correct

Marks for this submission: 1/1.

Question 6

Marks: 1

Terry and Chris pull hand-over-hand on opposite ends of a rope while standing on a frictionless frozen

pond. Terry's mass is 75 kg and Chris's mass is 50 kg. If Terry's acceleration is 2 , what is Chris's acceleration?

Choose one answer.

a. 2

b. 3

c. 6

d. 10

e. 40

Correct

Marks for this submission: 1/1.

Question 7

Marks: 1

Assume that you are driving down a straight road at constant speed. A small ball is tied on the end of a string hanging from the rear view mirror. Which way will the ball swing when you apply the brakes?

Choose one answer.

a. forward

b. backward

c. It will not swing.

Correct

Marks for this submission: 1/1.

Question 8

Marks: 1

Seseorang berharap dapat menyeberangi sungai dalam waktu sesingkat mungkin. Dia dapat mendayung hingga perahu bergerak dengan kecepatan 2 m/s di air berarus yang kecepatannya 1 m/s. Pada sudut berapakah orang tersebut harus mengarahkan perahu?

Choose one answer.

a.

b.

c.

d.

e.

Correct

Marks for this submission: 1/1.

Question 9

Marks: 1

Which of the following expresses a principle, which was initially stated by Galileo and was later incorporated into Newton's laws of motion?

Choose one answer.

a. An object's acceleration is inversely proportional to its mass.

b. For every action there is an equal but opposite reaction.

c. The natural condition for a moving object is to remain in motion.

d. The natural condition for a moving object is to come to rest.

e. Forces in nature always exist in pairs.

Correct

Marks for this submission: 1/1.

Question 10

Marks: 1

Sebuah batu diikat pada tali sepanjang 0,50 m dan diputar dengan laju konstan 4,0 m/s pada putaran vertikal. Maka percepatan batu ketika berada di dasar lingkaran adalah:

Choose one answer.

a. 9,8 , ke atas

b. 9,8 , ke bawah

c. 8,0 , ke atas

d. 32 , ke atas

e. 32 , ke bawah

Correct

Marks for this submission: 1/1.

Question 1

Marks: 1

A 15-kg block rests on a level frictionless surface and is attached by a light string to a 5.0-kg hanging

mass where the string passes over a massless frictionless pulley. If g = 9.8 , what is the tension in the connecting string?

Choose one answer.

a. 65 N

b. 17 N

c. 49 N

d. 37 N

e. 26 N

Incorrect

Marks for this submission: 0/1.

Question 2

Marks: 1

Two forces of 4 N and 12 N act on a body simultaneously. The net force on the body is

Choose one answer.

a. 4 N.

b. 12 N.

c. 16 N.

d. 8 NE. impossible to tell from the given information.

Incorrect

Marks for this submission: 0/1.

Question 3

Marks: 1

Suppose I push very hard on the chair and this time the both the chair moves and I slip backward as well. Then the strength of the force the chair exerts on me is

Choose one answer.

a. less than the force I exert on the chair.

b. equal to the force I exert on the chair.

c. greater than the force I exert on the chair.

d. zero

Correct

Marks for this submission: 1/1.

Question 4

Marks: 1

Manakah di antara gerak berikut ini yang BUKAN merupakan contoh gerak yang mengalami percepatan?

Choose one answer.

a. Komponen vertikal dari gerak proyektil

b. Gerak melingkar pada kelajuan konstan

c. Ayunan pendulum

d. Gerak bumi mengitari matahari

e. Komponen horizontal pada gerak proyektil

Correct

Marks for this submission: 1/1.

Question 5

Marks: 1

Manakah di antara besaran berikut yang merupakan besaran skalar?

Choose one answer.

a. Kelajuan

b. Kecepatan

c. Perpindahan

d. Percepatan

e. Tidak ada jawaban yang benar

Correct

Marks for this submission: 1/1.

Question 6

Marks: 1

Sebuah roda Ferris berjejari 8,0 m melakukan 1 putaran setiap 10 s. Ketika seorang penumpang berada di atasnya, satu meter di atas tanah, ia melepaskan sebuah bola. Berapa jauh bola akan mendarat diukur titik yang berada tepat di bawah titik pelepasan ?

Choose one answer.

a. 0

b. 1,0 m

c. 8,0 m

d. 9,1 m

e. 16 m

Correct

Marks for this submission: 1/1.

Question 7

Marks: 1

Dana uses a rope to pull a box that weighs 300 N across a level surface with constant velocity. The rope

makes an angle of above the horizontal and the tension in the rope is 100 N. What is the coefficient of friction?

Choose one answer.

a. 0.35

b. 0.29

c. 0.17

d. 0.20

e. 0.42

Correct

Marks for this submission: 1/1.

Question 8

Marks: 1

A car drives off a vertical cliff at a speed of 24 m/s. If it takes 3 s for the car to hit the ground, how far from the base of the cliff does it land?

Choose one answer.

a. 3 m

b. 8 m

c. 24 m

d. 72 m

e. 45 m

Correct

Marks for this submission: 1/1.

Question 9

Marks: 1

A racecar is moving counterclockwise on a circular path on a horizontal plain. Imagine that at this instant, the car is on the right of the origin and moving at a speed of 100 mph. In what direction does the velocity vector point?

Choose one answer.

a.

b.

c.

d.

e.

Correct

Marks for this submission: 1/1.

Question 10

Marks: 1

If an object moves in a straight line with a constant speed, we can conclude that

Choose one answer.

a. the object has inertia.

b. there are no forces acting on the object.

c. there must be at least two forces acting on the object.

d. there is no unbalanced force acting on the object.

Correct

Marks for this submission: 1/1.

Question 1 Marks: 1 Percepatan didefinisikan sebagai:Choose one answer.

a. Laju perubahan posisi terhadap waktu

b. Kelajuan dibagi dengan waktu

c. Laju perubahan kecepatan terhadap waktu

d. Dipercepat atau diperlambat

e. Perubahan kecepatan

CorrectMarks for this submission: 1/1.Question 2 Marks: 1 A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (on the fly at shoulder level) by the catcher. At what point is the magnitude of the acceleration at a minimum? (air resistance is negligible)Choose one answer.

a. just after leaving the center fielder's hand

b. just before arriving at the catcher's mitt

c. at the top of the trajectory

d. acceleration is constant during entire trajectory

e. both a and b are correct IncorrectMarks for this submission: 0/1.Question 3 Marks: 1 Because the forces demanded by Newton's third law of motion are equal in magnitude and opposite in direction, how can anything ever be accelerated?Choose one answer.

a. Newton's third law only applies when there is NO acceleration.

b. The forces in question act on different bodies.

c. Newton's second law is more important.

d. Third law forces cannot cause accelerations.

e. this problem is silly

CorrectMarks for this submission: 1/1.Question 4 Marks: 1 Two blocks, joined by a string, have masses of 6.0 and 9.0 kg. They rest on a frictionless horizontal surface. A 2nd string, attached only to the 9-kg block, has horizontal force = 30 N applied to it. Both blocks accelerate. Find the tension in the string between the blocks.Choose one answer.

a. 18 N

b. 28 N

c. 12 N

d. 15 N

e. 16 N

CorrectMarks for this submission: 1/1.Question 5 Marks: 1 A jogger runs halfway around a circular path with a radius of 60 m. What, respectively, are the magnitude of the displacement and the distance jogged?Choose one answer.

a. 60 m, 188 m

b. 120 m, 188 m

c. 0 m, 377 m

d. 120 m, 377 m

e. 60 m, 377 m

CorrectMarks for this submission: 1/1.Question 6 Marks: 1 A horizontal force of 750 N is needed to overcome the force of static friction between a level

floor and a 250-kg crate. If g = 9.8 , what is the coefficient of static friction? Choose one answer.

a. 3.0

b. 0.15

c. 0.28

d. 0.31

e. 2.5

CorrectMarks for this submission: 1/1.Question 7 Marks: 1 Sebuah pesawat jet terbang lurus horizontal melampaui kepala Anda. Ketika pesawat tersebut

tepat diatas Anda, suatu bunyi datang dari suatu titik di belakang pesawat pada arah terhadap vertikal. Maka laju pesawat adalah: Choose one answer.

a. Sama dengan kelajuan bunyi

b. Setengah dari kelajuan bunyi

c. 3/5 kelajuan bunyi

d. 0,866 kali kelajuan bunyi

e. Dua kali kelajuan bunyi

CorrectMarks for this submission: 1/1.Question 8 Marks: 1 A baseball thrown from the outfield is released from shoulder height at an initial velocity of 29.4

m/s at an initial angle of with respect to the horizontal. If it is in its trajectory for a total of 3.00 s before being caught by the third baseman at an equal shoulder-height level, what is the ball's net vertical displacement during its 3-s trajectory? Choose one answer.

a. 11.0 m

b. 9.80 m

c. 22.1 m

d. zero

e. 44.1 m

CorrectMarks for this submission: 1/1.Question 9 Marks: 1 A baseball batter hits an incoming 40-m/s fastball. The ball leaves the bat at 50 m/s after a ball-on-bat contact time of 0.030 s. What is the force exerted on the 0.15-kg baseball?Choose one answer.

a. 450 N

b. 250 N

c. 140 N

d. 90 N

e. 50 N

CorrectMarks for this submission: 1/1.Question 10 Marks: 1 The acceleration of a body isChoose one answer.

a. always in the same direction as its velocity.

b. always in the same direction as the net force on the body.

c. in the direction that the body is moving.

d. equal to the net force on the body.

e. none of the above.

CorrectMarks for this submission: 1/1.

1 Marks: 1 A 60-kg person on a merry-go-round is traveling in a circle with a radius of 3 m at a speed of 3 m/s. What is the magnitude of the acceleration experienced by this person?Choose one answer.

a. 1

b. 3

c. 10

d. 180

e. 280 CorrectMarks for this submission: 1/1.Question 2 Marks: 1 Dua senapan identik menembakkan peluru-peluru identik secara horizontal dengan laju yang sama dari ketinggian yang sama di atas bidang. Satu senapan di Bumi dan yang lain di Bulan. Manakah diantara pernyataan berikut yang benar? (I) Jarak horizontal yang ditempuh peluru di Bulan lebih besar. (II) Waktu melayang peluru lebih kecil ketika di Bumi. (III) Kecepatan peluru saat bertumbukan adalah sama.Choose one answer.

a. III saja

b. I dan II

c. I dan III

d. II dan III

e. I. II, III

CorrectMarks for this submission: 1/1.Question 3 Marks: 1 A thrown stone hits a window, but doesn't break it. Instead it reverses direction and ends up on the ground below the window. In this case, we know:Choose one answer.

a. the force of the stone on the glass > the force of the glass on the stone.

b. the force of the stone on the glass = the force of the glass on the stone.

c. the force of the stone on the glass < the force of the glass on the stone.

d. the stone didn't slow down as it broke the glass.

e. No conclusion can be made with the information given.

CorrectMarks for this submission: 1/1.Question 4

Marks: 1 A migrating bird is initially flying south at 8 m/s. To avoid hitting a high-rise building, the bird veers and changes its velocity to 6 m/s east over a period of 2 s. What is the magnitude of the bird's average acceleration during this 2-s interval?Choose one answer.

a. 5

b. 7

c. 10

d. 14

e. 64 IncorrectMarks for this submission: 0/1.Question 5 Marks: 1 A ball is rolled horizontally off a table with an initial speed of 0.24 m/s. A stop watch measures the ball's trajectory time from table to the floor to be 0.30 s. How far away from the table does

the ball land? (g = 9.8 and air resistance is negligible) Choose one answer.

a. 0.055 m

b. 0.072 m

c. 1.2 m

d. 1.9 m

e. 2.5 m

CorrectMarks for this submission: 1/1.Question 6 Marks: 1

What is the mass of a cart that has an acceleration of 4 when a net force of 2000 N is applied to it? Choose one answer.

a. 8,000 kg

b. 2000 kg

c. 5000 kg

d. 500 kg CorrectMarks for this submission: 1/1.Question 7 Marks: 1

A professor decides to simulate the effects of air resistance by simultaneously dropping two balls in a long column of water. The two balls have the same size but have masses of 1 kg and 2 kg. What happens?Choose one answer.

a. The 1kg ball hits the bottom first.

b. The 2kg ball hits the bottom first.

c. They hit the bottom at the same time.

d. impossible to tell from the given information.

e. this problem has no solution

CorrectMarks for this submission: 1/1.Question 8 Marks: 1 A child stands on a bathroom scale while riding in an elevator. The child's weight when the elevator is not moving is 500 N. What does the scale read when the elevator accelerates upward while traveling downward?Choose one answer.

a. greater than 500 N

b. less than 500 N

c. equal to 500 N

d. 200 N

e. 0

CorrectMarks for this submission: 1/1.Question 9 Marks: 1 If an object moves with a constant velocity, we can conclude thatChoose one answer.

a. it is moving toward its natural place.

b. there are no forces acting on it.

c. there is no unbalanced (net) force acting on it.

d. it has a very large inertia.

CorrectMarks for this submission: 1/1.Question 10 Marks: 1 Percepatan didefinisikan sebagai:Choose one answer.

a. Laju perubahan posisi terhadap waktu

b. Kelajuan dibagi dengan waktu

c. Laju perubahan kecepatan terhadap waktu

d. Dipercepat atau diperlambat

e. Perubahan kecepatan

CorrectMarks for this submission: 1/1.