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A ball of mass 2 kg is dropped from the top of a building of height 20 m. Calculate the mechanical energy of the ball and kinetic energy of the ball when it reaches the ground. Take g = 10 ms−2 |
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Answer» A ball of mass 2 kg is dropped from the top of a building of height 20 m. Calculate the mechanical energy of the ball and kinetic energy of the ball when it reaches the ground. Take g = 10 ms−2 |
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