A body of mass m dropped from a certain height strikes a light vertical fixed spring of stiffness k. The height of its fall before touching the spring if the maximum compression of the spring is equal to $$\frac{3mg}{k}$$ is:

Question

TuteeHUB · Accepted Answer

$$\frac{KQ}{\ell }$$

TuteeHUB · Answer

$$\frac{KQ}{R}$$

TuteeHUB · Answer

$$\frac{KQ}{\sqrt{{{R}^{2}}+{{\ell }^{2}}}}$$

TuteeHUB · Answer

$$\frac{mg}{4K}$$

1.	A body of mass m dropped from a certain height strikes a light vertical fixed spring of stiffness k. The height of its fall before touching the spring if the maximum compression of the spring is equal to \[\frac{3mg}{k}\] is:
A.	\[\frac{KQ}{R}\]
B.	\[\frac{KQ}{\ell }\]
C.	\[\frac{KQ}{\sqrt{{{R}^{2}}+{{\ell }^{2}}}}\]
D.	\[\frac{mg}{4K}\]
Answer» B. \[\frac{KQ}{\ell }\]

A body of mass m dropped from a certain height strikes a light vertical fixed spring of stiffness k. The height of its fall before touching the spring if the maximum compression of the spring is equal to \[\frac{3mg}{k}\] is:

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