A ball of mass 2kg is dropped from a height.what is the work done by its weight in two seconds after the ball is dropped
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I think the answer should be 400J
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Answer:
answer:- 400 joules
Explanation:
m=2kg
t=2seconds
u=0
v=u+g*t
=0+10*2
=20m/s
w=1/2*m*v^2
=1/2*2*20^2
=400 joules
it may help you
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