Tue April 08, 2014 By: Sangeeta Mandal

A ball is thrown vertically upwards from the ground withaspeed u. It reaches a point B at a height h (lower than the maximum height) after time t1. It returns to the ground after time t2 from the instant it was atB during the upward journey. Then t1t2 is

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Ravindra Kapal
Wed May 07, 2014
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