Question

Stone having a mass of 2.5kg is falling from a height. how much kinetic energy does it have at the moment when its velocity is 4 m/s



(1) 20J

(2) 10J

(3) 5J​

Answer 1

Answer:

the formula for kinetic energy is 1/2 X Mass X Velocity^2. If you do with this step you will be master in this.

The answer in given examples is 2- 10J