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Question

A block of mass 1 kg and density 0.8 g cm3 is held stationary with the help of a string as shown in the figure. The tank is accelerating vertically upwards with a constant acceleration a0=1 ms2. Find the acceleration of the block, when the string is cut.
(Given, f=10 ms2 and ρwater=1000 kg m3).
774316_525c3e9782f840a6b3c0bb4894f16bff.png

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Solution

First, we have to find the tension in the string
1+10+T=1800×1000×10T=1.25Na=1.251=1.25m/s2

948994_774316_ans_2c7ab66b2ef240b5afc0b6694a65125e.png

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