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Grade: 11
        a ball is relased from top of a tower .the ratio of work done by foce of gravity in first, second and third second of the motion of the ball is???
one year ago

Answers : (1)

Arun
22985 Points
							
 
ratio is 1:3:5 , as  work = force * displacement
and force is same in all three that is (mg)
and ratio of displacement in consecutive time interval is 1:3:5
so it is the answer
 
Regards
Arun (askIITians forum expert)
one year ago
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