Question 1

What is the velocity of an object that travels 100 meters in 5 seconds?

Accepted Answer

20 m/s

Answer

25 m/s

Answer

10 m/s

Answer

15 m/s

Question 2

A car accelerates uniformly from rest to a velocity of

30 	ext{ m/s}

in

10

seconds. What is the average velocity during this time?

Accepted Answer

15 m/s

Answer

10 m/s

Answer

30 m/s

Answer

20 m/s

Question 3

An object moves with a constant velocity of

30 	ext{ m/s}

for

10

seconds. What is the total distance traveled by the object?

Accepted Answer

96 meters

Answer

84 meters

Answer

108 meters

Answer

60 meters

Question 4

If a runner completes a 400-meter lap in 50 seconds, what is their average velocity?

Accepted Answer

8 m/s

Answer

12 m/s

Answer

10 m/s

Answer

6 m/s

Question 5

A cyclist travels north for 3 hours at a velocity of

30 	ext{ m/s}

. What is the cyclist's displacement after this time?

Accepted Answer

45 km north

Answer

60 km north

Answer

15 km north

Answer

30 km north

Question 6

A train travels from Station A to Station B, a distance of 300 kilometers, at a constant velocity of

30 	ext{ m/s}

. How long does the journey take?

Accepted Answer

4 hours

Answer

6 hours

Answer

5 hours

Answer

2 hours

Question 7

A ball is thrown horizontally off a cliff with an initial velocity of

30 	ext{ m/s}

. How far will it travel horizontally in 3 seconds?

Accepted Answer

60 meters

Answer

100 meters

Answer

80 meters

Answer

40 meters

Question 8

An object is moving in a straight line and its velocity changes from

30 	ext{ m/s}

to

10

over a period of 5 seconds. What is the average acceleration of the object?

Accepted Answer

4 m/s²

Answer

6 m/s²

Answer

5 m/s²

Answer

2 m/s²

Question 9

A car travels at a speed of

30 	ext{ m/s}

for 2 hours and then increases its speed to

10

for the next 1 hour. What is the total distance covered by the car?

Accepted Answer

300 km

Answer

240 km

Answer

180 km

Answer

270 km

Question 10

A runner covers a distance of

30 	ext{ m/s}

in

10

. What is their average velocity?

Accepted Answer

5 m/s

Answer

4 m/s

Answer

8 m/s

Answer

6 m/s

Question 11

A car accelerates from rest at a constant rate of

30 	ext{ m/s}

. How long does it take to reach a speed of

10

?

Accepted Answer

5 seconds

Answer

4 seconds

Answer

8 seconds

Answer

6 seconds

Question 12

A ball is dropped from a height and accelerates at a rate of

30 	ext{ m/s}

due to gravity. If it takes

10

seconds to reach the ground, from what height was it dropped?

Accepted Answer

44.1 meters

Answer

58.8 meters

Answer

72.6 meters

Answer

29.4 meters

Question 13

An object moving in a straight line has its velocity increase from

30 	ext{ m/s}

to

10

over a period of

5

seconds. What is its acceleration?

Accepted Answer

4 \frac{m}{s^2}

Answer

5 \frac{m}{s^2}

Answer

2 \frac{m}{s^2}

Answer

6 \frac{m}{s^2}

Question 14

A train moving with an initial velocity of

30 	ext{ m/s}

undergoes an acceleration of

10

for a duration of

5

seconds. What will be its final velocity?

Accepted Answer

35 \frac{m}{s}

Answer

40 \frac{m}{s}

Answer

30 \frac{m}{s}

Answer

25 \frac{m}{s}

Question 15

A cyclist starts from rest and accelerates at

30 	ext{ m/s}

for

10

seconds. What distance does the cyclist cover in this time?

Accepted Answer

48 meters

Answer

32 meters

Answer

72 meters

Answer

64 meters

Question 16

A rocket accelerates from a velocity of

30 	ext{ m/s}

to

10

in

5

seconds. What is the acceleration of the rocket?

Accepted Answer

5 \frac{m}{s^2}

Answer

7 \frac{m}{s^2}

Answer

4 \frac{m}{s^2}

Answer

6 \frac{m}{s^2}

Question 17

A car decelerates from

30 	ext{ m/s}

to a stop in

10

seconds. What is the magnitude of its acceleration?

Accepted Answer

5 \frac{m}{s^2}

Answer

4.5 \frac{m}{s^2}

Answer

6 \frac{m}{s^2}

Answer

3.5 \frac{m}{s^2}

Question 18

A runner starts with a velocity of

30 	ext{ m/s}

and accelerates uniformly at

10

for

5

seconds. What is the runner's final velocity?

Accepted Answer

20 \frac{m}{s}

Answer

18 \frac{m}{s}

Answer

22 \frac{m}{s}

Answer

21 \frac{m}{s}

Question 19

An object is initially moving at

30 	ext{ m/s}

and accelerates at

10

for

5

seconds. What distance does it cover in this time period?

Accepted Answer

72 meters

Answer

80 meters

Answer

64 meters

Answer

56 meters

Question 20

A spaceship increases its velocity from

30 	ext{ m/s}

to

10

in

5

seconds. What is the acceleration of the spaceship?

Accepted Answer

50 \frac{m}{s^2}

Answer

45 \frac{m}{s^2}

Answer

70 \frac{m}{s^2}

Answer

60 \frac{m}{s^2}

Question 21

If a force of

30 	ext{ m/s}

is applied to a mass of

10

, what is the acceleration of the mass?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 22

A car with a mass of

30 	ext{ m/s}

is subjected to a force of

10

. What is the acceleration of the car?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 23

An object of mass

30 	ext{ m/s}

experiences an acceleration of

10

. What is the force acting on the object?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 24

A block of mass

30 	ext{ m/s}

is being pushed with a force of

10

. What is the acceleration of the block?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 25

A plane has a mass of

30 	ext{ m/s}

and is subject to a total force of

10

. What is the acceleration of the plane?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 26

An ice skater pushes against a wall with a force of

30 	ext{ m/s}

and accelerates backward at

10

. What is the mass of the skater?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 27

A 5 kg object is lifted vertically 10 meters above the ground. What is the potential energy of the object at that height? (Assume g = 9.8 m/s²)

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 28

A 10 kg object is held at a height of 15 meters above the ground. What is the gravitational potential energy of the object at that height? (Use

30 	ext{ m/s}

)

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 29

What is the potential energy of a 2 kg object placed on a shelf 3 meters high? (Assume gravitational acceleration

30 	ext{ m/s}

)

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 30

A ball with a mass of 0.5 kg is at the top of a hill 20 meters high. What is the gravitational potential energy of the ball with respect to the bottom of the hill? (Use

30 	ext{ m/s}

)

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 31

An object of mass 3 kg is placed on top of a 10-meter cliff. What is its gravitational potential energy relative to the base of the cliff? Assume gravitational acceleration

30 	ext{ m/s}

.

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 32

A 2 kg object is moving with a velocity of 3 m/s. What is its kinetic energy?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 33

A car with a mass of 1500 kg is traveling at a speed of 20 m/s. What is its kinetic energy?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 34

A 0.5 kg ball is thrown with a velocity of 10 m/s. Calculate its kinetic energy.

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 35

What change in kinetic energy occurs if a 3 kg object changes its velocity from 4 m/s to 8 m/s?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 36

A 10 kg object is moving at a velocity of 5 m/s. By what factor must the velocity increase to quadruple the kinetic energy?

Accepted Answer

2

Answer

8

Answer

4\,	ext{m/s}^2

Answer

4

Question 37

A 0.2 kg projectile is shot vertically with a speed of 20 m/s. What is its kinetic energy?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 38

A force of

30 	ext{ m/s}

is applied to move an object a distance of

10

. What is the work done on the object?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 39

An object is moved with a constant force of

30 	ext{ m/s}

over a distance of

10

. What is the total work done on the object?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 40

If a force of

30 	ext{ m/s}

moves an object

10

, what is the work done?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 41

A gardener applies a force of

30 	ext{ m/s}

to push a wheelbarrow

10

. How much work is done by the gardener?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 42

A cyclist exerts a force of

30 	ext{ m/s}

to travel

10

on a flat path. What is the work done by the cyclist?

Accepted Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Answer

4\,	ext{m/s}^2

Question 43

A solution is made by dissolving 25 g of salt in 100 g of water. What is the percent by mass of salt in the solution?

Accepted Answer

20%

Answer

30%

Answer

25%

Answer

15%

Question 44

A container holds a solution with a volume of 50 mL of ethanol and 150 mL of water. What is the percent by volume of ethanol in this solution?

Accepted Answer

25%

Answer

20%

Answer

30%

Answer

33%

Question 45

You have a solution containing 10 g of sugar and 90 g of water. What is the percent by mass of sugar in this solution?

Accepted Answer

10%

Answer

12%

Answer

9%

Answer

11%

Question 46

A solution contains 200 mL of acetic acid and 800 mL of water. What is the percent by volume of acetic acid in the solution?

Accepted Answer

20%

Answer

30%

Answer

25%

Answer

15%

Question 47

A chemist prepares a solution by mixing 40 g of potassium chloride with 160 g of water. What is the percent by mass of potassium chloride in this solution?

Accepted Answer

20%

Answer

15%

Answer

30%

Answer

25%

Question 48

A mixture contains 80 mL of methanol and 320 mL of water. What is the percent by volume of methanol in this mixture?

Accepted Answer

20%

Answer

25%

Answer

30%

Answer

15%

Question 49

A saline solution is prepared using 5 g of salt dissolved in 45 g of water. What is the percent by mass of salt in the solution?

Accepted Answer

10%

Answer

15%

Answer

12%

Answer

8%

Question 50

A liquid solution consists of 30 mL of isopropanol mixed with 70 mL of water. What is the percent by volume of isopropanol in this solution?

Accepted Answer

30%

Answer

25%

Answer

20%

Answer

40%

Question 51

A perfume is made by mixing 10 mL of essential oil with 90 mL of alcohol. What is the percent by volume of essential oil in this mixture?

Accepted Answer

10%

Answer

5%

Answer

20%

Answer

15%

Question 52

A lab preparation involves dissolving 15 g of urea in 135 g of water. What is the percent by mass of urea in this solution?

Accepted Answer

10%

Answer

11%

Answer

9%

Answer

12%

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