Period 4 Momentum 1 Quiz
- 1.Which of the following probably has the largest momentum?
- A.
SUV speeding down the highway
- B.
Santa sliding slowly down the chimney
- C.
Centennial gym
- D.
Mack truck parked on the side of the road
- 2.It is correct ot say that impulse is equal to
- A.
Momentum
- B.
The force multiplied by the distance the force acts
- C.
The change in momentum
- D.
All of these
- 3.A cannon fires a 40.5kg shell toward a target and the shell moves with a velocity of 120m/s. Calculate the shell's momentum.
- A.
4,860 kg x m/s
- B.
4.86 kg x m/s
- C.
2.45 kg x m/s
- D.
10 kg x m/s
- E.
2,500 kg x m/s
- 4.Calculate the momentum of a 700g ball that is rolling down a ramp at 4.6m/s.
- A.
3.22 kg x m/s
- B.
3,220 kg x m/s
- C.
152.17 kg x m/s
- D.
6.57 kg x m/s
- 5.Which has greater momentum, a 2.0kg hockey puck moving east at 2.5m/s or a 1.3kg hockey puck moving south at 3.0m/s?
- A.
Hockey puck moving east
- B.
Hockey puck moving south
- C.
They have the same momentum
- 6.When an object speeds up, it increases it's momentum
- A.
True
- B.
False
- 7.Objects with different masses can't have the same momentum.
- A.
True
- B.
False
- 8.A bowling ball has 9 kg m/s of momentum when it is rolled 6 m/s. What is the mass of the bowling ball?
- A.
54 kg
- B.
15 kg
- C.
3 kg
- D.
1.5 kg
- 9.Momentum has
- A.
Magnitude only
- B.
Direction only
- C.
Magnitude and direction
- D.
Force and Velocity
- 10.A bumper car (mass=100 kg) is moving forward with a velocity of 6 m/s. It rebounds off the wall with a velocity (going backward) of 5 m/s. What is the impulse on the car?
- A.
-100 kg m/s
- B.
100 kg m/s
- C.
-1100 kg m/s
- D.
-3000 kg m/s
- 11.What is momentum?
- A.
Any situation where direction matters
- B.
Energy
- C.
Mass in motion
- D.
A variable measured in Joules
- 12.How does an airbag protect you?
- A.
It decreases the impulse you experiance
- B.
It decreases the change in momentum you experiance
- C.
It increases the time of impact, hence decreasing the force
- D.
It decrease the time of impact, hence decreasing the force
- 13.A cheetah (mass=80 kg) is running across the vast Savannah. She starts out with a velocity of 5 m/s and speeds up to 10m/s. What was the impulse acting on the cheetah?
- A.
80 kg m/s
- B.
200 kg m/s
- C.
400 kg m/s
- D.
124 kg m/s
- 14.A bumper car (mass=100 kg) is moving forward with a velocity of 6 m/s. It rebounds off the wall with a velocity (going backward) of 5 m/s. What is the change in velocity?
- A.
-1 m/s
- B.
1 m/s
- C.
-11 m/s
- D.
-30 m/s
- 15.A bumper car (mass=100 kg) is moving forward with a velocity of 6 m/s. It rebounds off the wall with a velocity (going backward) of 5 m/s. What is the impulse on the car?
- A.
-100 kg m/s
- B.
100 kg m/s
- C.
-1100 kg m/s
- D.
-3000 kg m/s
- 16.A bumper car (mass=100 kg) is moving forward with a velocity of 6 m/s. It rebounds off the wall with a velocity (going backward) of 5 m/s. The car is touching the wall for 0.5 seconds. What is the impulse on the car?
- A.
-2200 N
- B.
-200 N
- C.
-6000 N
- D.
200 N
- 17.You have a mass of 65 kg. You are sitting (at rest) at a stoplight in your car when another car rear ends you. You experience a force of 200 N for 0.5 seconds. What is your final velocity?
- A.
6 m/s
- B.
1.5 m/s
- C.
10 m/s
- D.
8.7 m/s
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