Wednesday
April 23, 2014

Homework Help: math

Posted by lisa on Tuesday, January 13, 2009 at 8:03pm.

the height that a ball bounces varies directly as the height from which it is dropped. A ball dropped from a height of 20cm bounces 16cm

a) Find the height of the bounce if the ball is dropped from a height of 280cm

b) Find from waht height the ball was dropped if it bounces to a height of 120cm

Thanks in advance.

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