A light spring of length I and spring constant k is placed vertically – McqOptions

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1.	A light spring of length I and spring constant k is placed vertically on a table. A small ball of mass m falls on it. The height h from the surface of the table at which the ball will have the maximum velocity is
A.	\[\frac{l}{k}\]
B.	\[l-\frac{mg}{k}\]
C.	\[l+\frac{k}{mg}\]
D.	\[l-kg\]
Answer» C. \[l+\frac{k}{mg}\]

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