©
Dr. Steve Rapp,
2004
Sample Problems
u
What is the momentum of a 15 kg bicycle
moving at 12 m/s?
u
p=mv = 15 kg (12 m/s) = 180 kg m/s
u
A bullet with a mass of .0025 kg has a
momentum of 1.8 kg m/s.
What is the
magnitude of its velocity?
u
v= p/m =
1.8 kg m/s
= 720 m/s
.0025 kg