Answer to Question #242998 in Physics for Sheyni

Question

The parking brake on a 1200 kg automobile has broke, and the vehicle has reached a momentum of 7800 kg.m/s. What is the velocity of the vehicle?

Answer 1

The velocity is

$$p=mv\space\space\rightarrow \space\space v=\frac pm=\frac{7800}{1200}=6.5\text{ m/s}.$$