1. What is the kinetic energy in joules of a 950-lb motorcycle moving at 50 mph ?
2. If the speed of the motorcycle changes from 50 mph (with kintic energy K1) to 25 mph (with kinetic energy K2), what is the ratio of K1 to K2?
The answer I got for this problem was 1.1×10 5 J
The Attempt at a Solution