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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???

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???

Grade:12th pass

3 Answers

ng29
1698 Points
7 years ago
first of all this is not question of modern physics it is from work , energy and power
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
 
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mansi dabriwal
29 Points
7 years ago
i din’t understood the question...
ng29
1698 Points
7 years ago
look its quite simple
a ball is released at some ht during its motion it will experience force of gravity
and in the question we have to find out ratio of work done by gravity in consecutive time interval    ,, ,thats it
and u must be aware of this ratios that ratio of displacement in consecutive time interval is 1:3:5
 
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