Question

A 2.80 kg mass is dropped from a height of 4.50 m. find its kinetic energy(KE) at the moment it is dropped PLEASE HELP ME

Answer 1

Answer:

0 J

Explanation:

Kinetic energy is:

KE = ½ mv²

At the moment it is dropped, v = 0 m/s.  Therefore, KE = 0 J.