ln the following arrangement the system is initially at rest. The 5 kg block is now released. Assuming the pulleys and string to be massless and smooth, the acceleration of block 'C' will be
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a
zero
b
2.5 m/s2
c
107 m/s2
d
57m/s2
answer is D.
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Detailed Solution
Block B will not move. 5g - T = 5a------------(1)2T - 8g = 8a2---------(2)10g-2T = 10a from (1)2g = 14aa = g7∴ a2 = g14 = 1014 = 57m/s2