a uniform chain of length 2m is kept on a table of 50cm hangs freely from the edge of the table .the total mass of the chain is 5kg . what is the work done in pulling the entire chain on the table.(g=10m/s)
(A) 7.2J (B) 3J (C) 4.6J (D) 120J
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Explanation:
=mgh÷(2n^2)
n=1/hanging legth
this is the equation
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