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jaydenr6 jaydenr6
  • 23-06-2014
  • Mathematics
Answered

A ball falls, rebounds to 72% of its previous height and falls again. After two bounces, the ball reached a height of 25cm. From what height was the ball dropped originally?

Verified Answer :

Jeffreygindro Jeffreygindro
  • 23-06-2014

48.2
25/72=.3472×100=34.72/72=.4822×100=48.2

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tomtomtv tomtomtv
  • 23-06-2014

Max  Height after first bounce = 25/0.72 = 34.72cm
Original Height from which the ball was dropped = 34.72/0.72 = 48.22 cm (2 decimal places)

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