Question

A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?

Answer 1

Convert the weight W (in N) to the mass M (in kg).

M = W/g

Then convert the speed in km/h to m/s.

V = 90 km/h = 25 m/s

The momentum is M*V. The preferred units are km*m/s.

Answer 2

166.66

Answer 3

38239.25