A packet is dropped from a stationary helicopter, hovering at a height 'h' from ground level, reaches the ground level in 12seconds. Calculate (1) value of h (2) final velocity on reaching ground level. [Take g=9.8m/s2]
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a=9.8. ,t=12 sec. using. the. formula v=u+at. and s=ut + 0.5at×t , where u=0
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I hope it will help u
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