Vanshika posted an Question
July 10, 2020 โ€ข 02:18 am 30 points
  • IIT JAM
  • Physics (PH)

A hailstone strikes the roof of a parked car. the hailstone hits with a speed of 10 m/s and rebounds to a height of 0.20 m.

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    Chandra prakash

    see attached file dear

    cropped1314227349.jpg
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    see

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    how is initial kinetic energy = mgh

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    dear try to visualize that situation.. stone is at hight h. so it will experience gravitational force.. so term mgh is consider as initial K.E ....

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    okay

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    hope you get it dear

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