Quiz about Quiz - Chapter 8: Momentum and Impulse (2/1)

Question 1

A 0.250 kg cart moving at 0.400 m/s has how much momentum?

Accepted Answer

0.1 kg-m/s

Answer

1 kg-m/s

Answer

10 kg-m/s

Answer

100 kg-m/s

Question 2

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

p = mv

Accepted Answer

375 kg*m/s

Answer

25 m/s

Answer

375 m/s

Answer

25 kg*m/s

Question 3

The difference between a car hitting a wall vs. a car hitting a hay stack is:

Accepted Answer

the collision time of the car hitting the hay stack is greater.

Answer

the Impulse on the car hitting the wall is greater.

Answer

the change in momentum of the car hitting the wall is greater.

Answer

the force on the car hitting the hay stack is greater.

Question 4

Softer landings tend to:

Accepted Answer

increase collision time.

Answer

increase impact force.

Answer

increase force.

Answer

increase change in momentum.

Question 5

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N*s.

Ft = mv

Accepted Answer

-18

Answer

-2.5

Answer

-10

Answer

-45

Question 6

Which ONE of the following units represents the standard metric units of momentum?

Accepted Answer

Kilograms * meter / second

Answer

Newtons * meter / second

Answer

Kilograms * meter / second²

Answer

meter / second

Question 7

Which one of these objects has the greater amount of momentum?

Accepted Answer

A turtle that slowly crosses a road

Answer

A parked car

Answer

A stop sign

Question 8

During a collision. an object experiences an impulse. How can this impulse be calculated?

Accepted Answer

Multiplying force by time

Answer

Multiplying mass by velocity

Answer

Dividing velocity by time

Answer

Multiplying mass by acceleration

Question 9

During a collision. an object experiences an impulse. The impulse causes and is equal to the _____ of the object?

Accepted Answer

momentum change

Answer

kinetic energy change

Answer

force

Answer

time

Question 10

An egg landing on a soft surface will remain intact. The surface increases the _____ and decreases the _____ during the impact? (Choose all of the correct choices.)

Accepted Answer

force

Accepted Answer

time

Answer

mass

Answer

gravity

Question 11

A 5 kg ball has a momentum of 30 kg*m/s. What is the speed of the ball?

Ft = mv

Accepted Answer

6 m/s

Answer

150 m/s

Answer

35 m/s

Answer

5 m/s

Question 12

Padded dashboards in cars are safer in accidents than non-padded ones because the passenger hitting the dash has...

Accepted Answer

a) Increased time of impact.

Accepted Answer

c) decreased impact force.

Answer

b) decreased impulse.

Answer

d) none of the above.

Answer

e) all of the above.

Question 13

A runner has a momentum of 670 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?

Ft = mv

Accepted Answer

74.4 kg

Answer

6030 kg

Answer

0.0134 kg

Answer

80 kg

Question 14

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

P = mv

Accepted Answer

375 kg*m/s

Answer

25 m/s

Answer

375 m/s

Answer

25 kg*m/s

Question 15

How can a tennis ball and a bowling ball have the same momentum?

Accepted Answer

have different speeds

Answer

have the same speed

Answer

one is moving backwards

Answer

they can't

Question 16

Check all that apply: Momentum involves

Accepted Answer

speed

Accepted Answer

direction

Accepted Answer

mass

Answer

force

Question 17

A pitcher throw a ball in a straight line with a momentum of 12 kg x m/s. the baseball weighs .17 kg. What is the velocity of the ball?

Ft = mv

Accepted Answer

70.6 m/s

Answer

2.04 m/s

Answer

.01 m/s

Answer

68 m/s

Question 18

A 4,000 kg pick-up truck uses a braking force of 15,000 newtons (N) to stop in 6 seconds. What is the Impulse?

Accepted Answer

Impulse = 90,000 N*s

Answer

Impulse = 3.75 N*s

Answer

Impulse = 24,000 N*s

Answer

Impulse = 2,500 N*s

Question 19

A 75 kg high jumper lands on the mat after her jump. The mat brings her to a stop after 1.5 seconds. She was traveling at 6.5 m/s when she landed on the mat. (Note: The speed of the jumper was 0 m/s at the top of her jump, before she started to fall towards the mat.)

What was the Force felt by the jumper upon impact with the mat?

Ft = mv

Accepted Answer

Force= 325 N

Answer

Force = 11.5 N

Answer

Force = 1 N

Answer

Force = 487.5 N

Quiz - Chapter 8: Momentum and Impulse (2/1)

22 questions

A 0.250 kg cart moving at 0.400 m/s has how much momentum?

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

p = mv

The difference between a car hitting a wall vs. a car hitting a hay stack is:

Softer landings tend to:

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N*s.

Ft = mv

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The time for the collision is _____ seconds.

Ft = mv

Which ONE of the following units represents the standard metric units of momentum?

Which one of these objects has the greater amount of momentum?

During a collision. an object experiences an impulse. How can this impulse be calculated?

During a collision. an object experiences an impulse. The impulse causes and is equal to the _____ of the object?

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Quiz - Chapter 8: Momentum and Impulse (2/1)

22 questions

A 0.250 kg cart moving at 0.400 m/s has how much momentum?

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?p = mv

The difference between a car hitting a wall vs. a car hitting a hay stack is:

Softer landings tend to:

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N*s.Ft = mv

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The time for the collision is _____ seconds.Ft = mv

Which ONE of the following units represents the standard metric units of momentum?

Which one of these objects has the greater amount of momentum?

During a collision. an object experiences an impulse. How can this impulse be calculated?

During a collision. an object experiences an impulse. The impulse causes and is equal to the _____ of the object?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

p = mv

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N*s.

Ft = mv

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The time for the collision is _____ seconds.

Ft = mv