an object is ejected sideways with a speed of 10m/s a height of86.4m above ground how long does it take to reach the ground?
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The horizontal speed has no effect on the time to reach the ground.
s= gt^2/2
t= sqrt(2 s/g)
s = 86.4 m
s= gt^2/2
t= sqrt(2 s/g)
s = 86.4 m