When disc B is brought in contact with disc A, they acquire a common angular velocity in time t. The average frictional torque on one disc by the other during this period is (a) c) 2700 31 910 4t (b) (d) 910 2t 3/0 2t
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![When disc B is brought in contact with disc A, they acquire a
common angular velocity in time t. The average frictional
torque on one disc by the other during this period is
(a)
(c)
210
3t
91w
4 t
(b)
(d)
91w
2t
3/w
2t](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc65476a7-9777-4565-8aed-f33c17069187%2Fdac53d11-3f4f-420d-894a-f5c7bc1e7511%2Fz99n6zc_processed.jpeg&w=3840&q=75)
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