1.

In the figure shown, the pulleys and strings are massless. The acceleration of the block of mass 4 m just after the system is released from rest is \[(\theta ={{\sin }^{-1}}3/5)\]

A. \[\frac{2g}{5}\]downwards
B. \[\frac{2g}{5}\] upwards
C. \[\frac{5g}{11}\]downwards
D. \[\frac{5g}{11}\]upwards
Answer» D. \[\frac{5g}{11}\]upwards


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