a ball is projected at an angle 30 above with the horizontal from the top of a tower and strikes the ground in 5 seconds at an angle 45 with the horizontal . Find the height of the tower and the speed with which it was projected ( Take g = 10m/s^2)
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Final Answer : H = 125 (2-√3)m
|u| = 50(√3-1) m/s .
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|u| = 50(√3-1) m/s .
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Go through this link :
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