System shown in figure is in equilibrium and at rest. The spring and string are massless, now th.... VIDEO
System shown in figure is in equilibrium and at rest. The spring and string are massless, now the string is cut. The acceleration of mass \( 2 m \) and \( m \) just after the string is cut will be
(1) \( g / 2 \) upwards, \( g \) downwards
(2) \( g \) upwards, \( g / 2 \) downwards
(3) \( g \) upwards, \( 2 g \) downwards
(4) \( 2 g \) upwards, \( g \) downwards
\( \mathrm{P} \)
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