A rock is thrown vertically upward from ground level at time0. At time t 1 it pa

Question

A rock is thrown vertically upward from ground level at time0. At time t1 it passes the top of a talltower, and later, at time t2, it reaches itsmaximum height. What is the height of the tower? Give your answerin terms of the given variables and g. h = ?? A rock is thrown vertically upward from ground level at time0. At time t1 it passes the top of a talltower, and later, at time t2, it reaches itsmaximum height. What is the height of the tower? Give your answerin terms of the given variables and g. h = ??

Explanation / Answer

given as t2 is the time of ascend the height itreached is H = 1/2gt22 the initial speed of the stone is V =2gH                                                    =(gt2 )/2 the height reached by the stone in time t1                                            h = Vt1 - 1/2gt12                                              = [(gt2 )/2]t1-1/2gt12                                                                                           = [(gt2 )/2]t1-1/2gt12                                             

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