Correct option is (c) 20000 kg-m/s
Given, mass, m = 1000 kg
Velocity, v = 72 km/h
= 72 x \(\frac 5{18}\)
= 20 m/s
Momentum, p = ?
\(\therefore\) Momentum = Mass x Velocity
⇒ p = mv
p = 1000 x 20
= 20000 kg-m/s
Thus, the momentum of the car is 20000 kg-m/s.
