Question

A car with mass = 1000 kg is traveling at a velocity of 100 m/s. What’s the car’s momentum?

Answer 1

By the definition of the momentum, we have:

$$p=mv=1000\ kg\cdot 100\ \dfrac{m}{s}=10\cdot10^4\ \dfrac{kgm}{s}.$$

Answer:

$p=10\cdot10^4\ \dfrac{kgm}{s}.$