A balloon moves up vertically such that if a stone is projected with a – InterviewSolution

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1.	A balloon moves up vertically such that if a stone is projected with a horizontal velocity u relative to balloon, the stone always hits the ground at a fixed point at a distance 2u2g horizontally away from it. Find the height of the balloon as a function of time.
Answer» A balloon moves up vertically such that if a stone is projected with a horizontal velocity u relative to balloon, the stone always hits the ground at a fixed point at a distance $\frac{2 u^{2}}{g}$ horizontally away from it. Find the height of the balloon as a function of time.

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