A 1000 kg car moves at a constant velocity of 20.0 m/s[W]. What is the momentum of the car?

a) 20,000 kg m/s[W]

b) 20,000 kg m/s

c) 20,000 N/s

d) -20,000 kg m/s[W]

e) -20,000 N/s [W]