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A food package was dropped from an aircraft flying horizontally. 6 s before it hit the ground, it was at a height of `780 m`, and had travelled a distance of 1 km horizontally. Find the speed and the altitude of the aircraft. |
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Answer» Correct Answer - `360 km//hr, 1.28 km` `780=u sin theta xx6+1/2xxgxx36` `780-180=u sin theta xx6` using `theta=600/6=100 m//sec` i.e. food package dropped before 10 secs `1000=uxx10 rArr u=100 m//s` `:. H=(gxx(16)^(2))/2=1280 m`. |
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