Question

A car of of mass 480 kg moving at a speed of 54 km per hour is stopped by applying brakes in 10 second calculate the force applied by the brakes

Answer 1

Answer:

720N

Explanation:

m=480kg,v=54×5/18=15m/s,t=10sec then F=ma=mv/t=480×15/10=720newtons

Answer 2

Answer:

m=480kg,

v=54×5/18=15m/s

t=10sec  

F=ma=mv/t=480×15/10=720newtons

Explanation:

hope it helps u...