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jauneet singh Grade: 12
        

a baloon moves vertically such stone is projected with horiz velocity u relative 2 baloon the stone always hits a river at a fixed distance 2u^2/g horiz away frm it find height of balloon as func of time

7 years ago

Answers : (1)

Ramesh V
70 Points
										

assume ballon hz. velocity be 0


so stone hz vel. is u


let t be time taken to hit river


s = u*t so, t = s/u = 2u2/gu


height of ballon = h = 0*t - 1/2*g*t2


                             = -1/2*g*(4u4/u2*g2)


                           h  =  - 2u2/g


--


regards


Ramesh

7 years ago
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