Linear Momentum
A 5 kg bowling ball is rolling down the lane with a velocity of 2 m/s. What is the magnitude of its linear momentum?
2.5 kg m/s
10 kg m/s
7 kg m/s
3 kg m/s
A car of mass 1000 kg is moving to the right with a velocity of 20 m/s. What is the direction of its momentum?
Upward
To the left
Downward
To the right
A constant force of 20 N is applied to an object for 5 seconds. What is the impulse on the object?
4 Ns
10 Ns
100 Ns
0.25 Ns
A 0.5 kg ball moving at 10 m/s hits a wall and bounces back with a velocity of -8 m/s. If the contact time is 0.05 s, what is the average force exerted on the ball by the wall?
20 N
10 N
180 N
200 N
A 2 kg block moving at 3 m/s to the right collides with a 1 kg block moving at 4 m/s to the left. If the collision is perfectly inelastic, what is the velocity of the combined blocks after the collision?
2/3 m/s to the right
2/3 m/s to the left
10/3 m/s to the right
10/3 m/s to the left
A 2 kg object's velocity changes from 10 m/s to 15 m/s over a period of 2 seconds due to a constant force. What is the magnitude of this force?
2.5 N
5 N
7.5 N
25 N
A 5 kg object moving at 4 m/s collides inelastically with a 2 kg object at rest. If they stick together after the collision, what is their final velocity?
1.67 m/s
2.86 m/s
3.33 m/s
6.67 m/s

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Which of the following statements is true regarding kinetic energy in elastic and inelastic collisions?
Kinetic energy is conserved only in inelastic collisions.
Kinetic energy is conserved only in elastic collisions.
Kinetic energy is conserved in both elastic and inelastic collisions.
Kinetic energy is never conserved in collisions.
A 2 kg object moving at 5 m/s collides with a 3 kg object at rest. After the collision, the 2 kg object moves at 1 m/s in the same direction. How much kinetic energy is lost in the collision?
5 J
16 J
20 J
29 J
A 2 kg ball initially at rest is struck with a force of 10 N for 0.1 seconds. What is the change in momentum of the ball?
0.5 kg m/s
1 kg m/s
2 kg m/s
5 kg m/s