A baseball of mass m (at rest) is struck by a bat so that it acquires a speed v. If t represents the duration of the collision between the bat and the ball, which expression determines the magnitude of the average force exerted on the ball?
AP Test Momentum and Conservation of momentum

Quiz
•
Physics
•
10th - 12th Grade
•
Easy
Adriana Gheta
Used 4+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 2.0 kg object is acted upon by a single force in the positive x direction as shown. What is the momentum change experienced by the object during the first 6s?
16.0 Ns
30 Ns
32 Ns
40 Ns
48 Ns
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Block A and B have the same momentum and are moving on a frictionless surface. Block A has more mass than block B. How does the kinetic energy of block A compare to that of block B?
Block A has more kinetic energy than Block B
Block A has less kinetic energy than Block B
Since the blocks have the same momentum, they must also have the same kinetic energy
Since the blocks have constant speeds, they must have the same kinetic energy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 50 kg boy runs at a speed of 10.0 m/s and jumps onto a cart that is initially at rest. If the speed of the cart with the boy on it is 2.50 m/s, what is the mass of the cart?
150.0 kg
175.0 kg
210.0 kg
260.0 kg
300.0 kg
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A block of mass M is initially at rest on a frictionless floor. The block, attached to a massless spring with spring constant k, is initially at its equilibrium position. An arrow with mass m and velocity v is shot into the block. The arrow sticks in the block. What is the maximum compression of the spring?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cart A: mass = 4 kg, vAi = +1.8 m/s and vAf = - 0.3 m/s
Cart B: mass = 6 kg, vBi = - 0.2 m/s and vBf = + 1.2 m/s
The data for the collision are given above. Assuming a closed system, is this an elastic or inelastic collision?
Elastic collision: momentum stayed the same and kinetic energy was the same before and after the collision
Elastic collision: momentum stayed the same
Inelastic collision: momentum stayed the same, kinetic energy was the same before and after the collision, but the magnitudes of the velocities were not constant
Inelastic collision: momentum stay the same, but kinetic energy was not the same before and after the collision
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An arrow is shot through an apple. If the 0.1 kg arrow changes speed by 10 m/s during the collision (from 30 m/s to 20 m/s) and the apple goes from rest to a speed of 2 m/s during the collisions, then the mass of the apple must be
0.2 kg
0.5 kg
0.8 kg
1 kg
2 kg
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