Verified Answer :

AL2006

The acceleration of gravity is 9.8 meters per second².

So, 5 seconds after beginning from zero speed, its speed is (5 x 9.8) = 49 m/s² .

Here
u= 0m/s
t=5sec
v=?

From newton's first equation of motion-
v=ut
v= 0* 5=0m/s

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