Basic Maths and Units and DimensionsHard

Question

A chain of length L and mass m is placed on a smooth surface. The length of BA is (L - b). calculate the velocity of chain when its end reaches B :-
     

Options

A.
B.
C.
D.

Solution

By using COME, gain in KE = loss in PE
⇒ Mv2 = Mg
⇒ v =

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