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A 40 kg block is resting at a height of 5 m off the ground. If the block is released and falls to the ground, what is its total energy at a height of 2m (g=10m/s²)?
For such questions we have to use the idea of conservation of energy, i.e. total ene…
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A simple pendulum of length 100 cm performs S.H.M. Find the restoring force acting on its bob of mass 50 g when the displacement from the mean position is 3 cm.
The data that we can put forward from this question is , Length L= 100cm …