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Choose the most appropriate option.
A solid cylinder of mass 20 kg rotates about its axis with angular speed 100 rad `s^(-1)`. The radius of the cylinder is 0.25 m. What is the kinetic energy associated with the rotation of cylinder? What is the magnitude of angular momentum of cylinder about its axis?

A

62.5 T-s

B

70.4 T-s

C

79.6 T-s

D

60.5 T-s

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The correct Answer is:
a
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