Question

a boulder with a mass of about 1.5 x 10^5 kg falls and strikes the ground at 70 m/s how much kinetic energy dies the boulder deliver to the ground PLEASE HELP

Answer 1

k. e= 1/2 mv^2

Ke = 1/2 * 1.5 * 10^5 * 70^2

3.675 *10^8 joules