Question

A compact car, mass 664 kg, is moving at 19 km/h toward the east. What is the car's momentum in kg x m/s?

Answer 1

Answer:

3504.4 kgm/s

Explanation:

First, convert km/hr to m/s:

19 km/hr x 1000m/1km x 1/60min x 1/60s = 5.28 m/s

p = mv

p = (664 kg)(5.28 m/s) = 3504.4 kgm/s