JEE Advanced 2021 Full Test 1 Paper 2

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SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.
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Question : 11 of 54
 
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A 6kg block is moving with a speed of 10m∕s over a rough surface with coefficients of friction µs=0.6 and µk=0.4 as shown in figure. A time varying force F=4t(f in newton and t in second) is applied on the block as shown. Find the acceleration of block at t=5 sec.
(Take g=10m∕s2 )
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