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A stone is thrown vertically up from the top of a tower with a certain initial...

A stone is thrown vertically up from the top of a tower with a certain initial velocity. It reaches ground in t seconds .(7.15). A second stone, thrown down from the same tower with the same initial velocity reaches ground in 3.6 seconds. Determine (i) the height of the tower, and (ii) the initial velocity of the stones

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