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39. A solid cylinder of mass 2 kg and radius 0.2m is rotating about its own axis without friction with angular velocity 3 rad/s . A particle of mass 0.5 kg and moving with a velocity 5 m/s strikes the cylinder and sticks to it as shown in figure. The angular momentum of the cylinder before collision will be

(a)  0.12 J–s

(b)  12 J–s

(c)   1.2 J-s

(d)  1.12 J-s

Ans. a

(10)

5/5 - (1 vote)

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