Question

A dog has a speed of 7 m/s and a mass of 45 kg. What is the dog's kinetic
energy?

Answer 1

The kinetic energy should be 1,102.5 joules.

Answer 2

K.E = 1/2 m*v^2
K.E = 1/2 * 45 * (7)^2
K.w = 1102.5 J