Amy has a mass of of 50 kg, and she is riding a skateboard traveling 10 m/s . what is her momentum?
a) 50 kg*m/s
b) 500 kg*m/s
c) 5 kg*m/s
d) 10 kg*m/s
(there is 4 other questions if someone can ? )

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?