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Collision and rebounds to the same height

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Reference no: EM131389966

A ball is thrown vertically downwards from a height of 20 m with an initial velocity v02. It collides with the ground, loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity v0 is (Take g = 10 ms-2)

  • (A) 10 ms-1
  • (B) 14 ms-1
  • (C) 20 ms-1
  • (D) 28 ms-1

Reference no: EM131389966

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