Question

A vehicle traveling along a street slipped on an icy surface and struck a guardrail. The time interval of impact was 0.955 s, during which the guardrail exerted a force of 505 N. What is the variation in the momentum of the vehicle?

Answer 1

The variation in the momentum of the vehicle is

$$p=Ft=505\cdot0.955=482.3\text{ kg m/s}.$$