Question

If a car has a mass of 400 kg and a velocity of 30 m/s to the east, what is the magnitude of its momentum?

A. 133.34 kg-m/s

B. 120,000 kg-m/s

C. 60 mph

D. 12,000 kg-m/s

Answer 1

D. 12,000 kg-m/s

Step-by-step explanation:

Formula is P=mv (P is momentum)

Substitute:

P=400 kg * 30 m/s

=12,000 kg*m/s