Question

An object is released from rest at a height of 25m.caculate the time it takes to fall to the ground (g=10m/s²)

Answer 1

Answer:

$\sqrt{5}$

Explanation:

s=25m

u=0m/s

a=10m/s^2

s=ut+at^2/2

25=0+10t^2/2

25=5t^2

t^2=5

t=√5

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