Question

A 3-kg block sits at the top of a 3-m tall smooth ramp. The ramp is 5 meters long. The block slides down the ramp. What is its velocity at the bottom of the ramp

Answer 1

mgh=1/2mv²

gh=1/2v²

v²=2gh

v=√2gh

v=√2 x 10 x 3

v=√60