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

Asked by Sangeeta Mandal | 8th Apr, 2014, 10:07: PM

Expert Answer:

 
  
 

Answered by Ravindra Kapal | 7th May, 2014, 05:08: PM

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