A stone dropped from a building takes 10 seconds to reach the ground. Calculate the height of the building and the speed with which it reaches the ground.
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as time of descent is given by
t=root 2h/g implies
h=t^2*g/2
=100*9.8/2
=490m
and as speed is distance by time we get speed to be 49m/s
t=root 2h/g implies
h=t^2*g/2
=100*9.8/2
=490m
and as speed is distance by time we get speed to be 49m/s
Unknown135:
hey i think i might be wrong on the speed part so check it out once more ok
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