1.

A stoneis projected from the pont ofa groundin sucha direction so as to hita birdon the top of a telegraph post of heighth and thenattain the maximum height 2h abovethe ground. If at theinstnatof projection , the brid were to fly away horizontally witha unifrom speed , find the ratio between the horizontalvelcoities ofthebird and the stone, if stone still hits the bird while descending .

Answer»

Solution :`(v)/( U COS THETA) = (2)/(sqrt(2) + 1)`


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