Question
A solid cylinder of mass 2 kg and radius 0.2 m is rotating about its own axis without friction with angular velocity 3 rad/s. A particle of mass 0.5 kg moving with a velocity 5 m/s strikes the cylinder and sticks to it as shown in figure below. The angular momentum of the cylinder before collision will be
Answer: Option A
:
A
Angular momentum of the cylinder before collision L=Iω=12MR2ω=12(2)(0.2)2×3=0.12J−s.
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:
A
Angular momentum of the cylinder before collision L=Iω=12MR2ω=12(2)(0.2)2×3=0.12J−s.
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