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
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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
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