A ball falls from the top of a building. The ball moves 66 m/s just before it his the ground. If the ball has 5,384 J of kinetic energy, what is its mass?
1 Answer
Feb 24, 2018
If the ball is about to hit the ground, (for the purposes of this problem) all of its energy is kinetic.
Recall,
Hence,
is the mass of the ball.
