A rigid bidy of mass 400kg is pulled vertically up by a light inextensible chain.Initially the body

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Blazing goIITian

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actually this sum uses integration

the value of force and therefore acc changes with time

F=60000

force varies with distance and its magnitude at y x is (60-3.6x)10³

acc= =2.5(60-3.6x) at a distance x from the ground

a=dv(v)/dx

intergate between proper limits and get the answer

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