Physics

27 July, 17:26

A 2 kg bowling ball is 2.5 m off the ground on a post when it falls just before it reaches the ground it is traveling 7 m/s assuming that there is no air assistance which statement is true

1Mechanical energy is not conserved

2The mechanical energy is conserved

3The initial potential energy is less than the final Connecticut energy

4The initial potential energy is greater than the final Connecticut energy

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