In the arrangement as shown,\[{{m}_{B}}=3m\], density of liquid is r a – McqOptions

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1.	In the arrangement as shown,\[{{m}_{B}}=3m\], density of liquid is r and density of block B is v. The system is released from rest so that block B moves up when in liquid and moves down when out of liquid with the same acceleration. Find the mass of block A.
A.	\[\frac{7}{4}m\]
B.	\[2m\]
C.	\[\frac{9}{2}m\]
D.	\[\frac{9}{4}m\]
Answer» E.

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