A ball is falling freely from a height of 20 m then the velocity of ball when it reaches the ground at 20 m is (assume the acceleration of gravity as 10 m/s2 )?

A ball is falling freely from a height of 20 m then the velocity of ba

1.	A ball is falling freely from a height of 20 m then the velocity of ball when it reaches the ground at 20 m is (assume the acceleration of gravity as 10 m/s2 )?
A.	40 m/s
B.	30 m/s
C.	10 m/s
D.	20 m/s
Answer» E.

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A ball is falling freely from a height of 20 m then the velocity of ball when it reaches the ground at 20 m is (assume the acceleration of gravity as 10 m/s2 )?

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