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math

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when a ball is dropped, it bounces back up 4/5 of the height from the height it was dropped.If the ball dropped from a height of 200cm, how high does it go after bouncing twice.

  • math -

    1st bounce=0.2(4/5)=0.16m
    2nd bounce=0.16(4/5)=0.128m or 128cm

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