Name: _________________________________________
Momentum and Impulse
p  mv
Ft  mv
1. A deer with a mass of 146 kg is charging at you with a speed of 17 m/s. What is the momentum of this
beast?
Knowns
Formula
Solve
Answer
2. A bowling ball rolls down a hill with a momentum of 240 kg m/s. the ball has a mass of 5 kg. What is
the velocity of the ball?
Knowns
Formula
Solve
Answer
3. A 0.5 kg football is thrown with a velocity of 15 m/s to the right. A stationary receiver catches the ball
and brings it to rest in 0.02 seconds. What is the force exerted on the ball by the receiver?
Knowns
Formula
Solve
Answer
4. A 65 kg person falls off a building and lands on a stack of cardboard boxes at a velocity of 20 m/s. The
boxes break the person’s fall in 0.4 seconds. What force did the boxes apply to the person.
Knowns
Formula
Solve
Answer
5. A 200 N force accelerates a 0.045 kg golf ball over 0.02 seconds. What is the velocity of the golf ball
after this force is applied?
Knowns
Formula
Solve
Answer
6. Rabuck got hit with a 0.05 kg potato that was traveling at 48 m/s (true story). Due to my fleshy body,
the impulse time of the impact was 0.2 seconds. What was the force of the potato?
Knowns
Formula
Solve
Answer
7. A 2500 kg car traveling north at 20 m/s is slowed by a force of -6250 N (the brakes were applied).
What is the car’s velocity after 2.5 seconds of braking?
Knowns
Formula
F t  m f v f  mi vi
Solve
Answer