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a stone is thrown vertically from the top of the tower with a velocity of 5ms^-1 and hits the ground after 8 seconds then what is the height of the tower. plz tell quickly |
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Answer» Let us consider velocity of the stone at the top of the TOWER is U and the final velocity as v. Since the stone is travelling towards the ground, therefore ACCELERATION is EQUAL to gravity g =9.8m/s² and TIME is t.According to one of the kinematic equationss=ut+1/2at²Where s is the distance.s=(5*8)+1/2(9.8*8²)s=40+1/2(627.2)s=40+313.6s=353.6Therefore the height of the tower is 353.6 metres |
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