A body is released from rest from a height of 20 m.If acceleration is 10m/s what is the velocity of the body when it hits the ground?pls tell fast if uk the answer
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2
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Answered by
9
Answer:
20m/s
Explanation:
v²-u²=2as
u=0
v²=2as
a=10m/s²
s=20m
v²=2×10×20
= 400
v=√400
=20m/s
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