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The rotational kinetic energy of a rigid...

The rotational kinetic energy of a rigid body of moment of inertia 5 ` kg-m^(2)` is 10 joules. The angular momentum about the axis of rotation would be -

A

100 joule-sec

B

50 joule-sec

C

10 joule-sec

D

2 joule-sec

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The correct Answer is:
C
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MOTION-ROTATIONAL MOTION -Exercise - 1
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  2. If a person sitting on a rotating stool with his hands outstretched, s...

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  3. The rotational kinetic energy of a rigid body of moment of inertia 5 ...

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  4. A circular ring of mass 1kg and radius 0.2m executes 10 revolutions pe...

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  5. Which quantity is not directly related with rotational motion

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  6. A particle of mass m is rotating in a plane in circular path of radius...

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  7. When a mass is rotating in a plane about a fixed point, its angular mo...

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  8. The rotational kinetic energy is -

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  9. A rigid body is rotating about an axis. The best way to stop it is app...

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  10. A constant torque acting on a uniform circular wheel changes its anglu...

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  11. The rate of change of angular momentum is called

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  12. When a constant torque is applied on a rigid body, then

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  13. If torque is zero, then

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  14. The grinding stone of a flour mill is rotating at 600 rad/sec. for thi...

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  15. A fly wheel of moment of inertia I is rotating at n revolutions per se...

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  16. A circular disc has a mass of 1kg and radius 40 cm. It is rotating abo...

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  17. The rotational kinctic energy of a body rotating about proportional to

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  18. When different regular bodies roll down along an inclined plane from r...

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  19. A solid cylinder starts rolling from a height h on an inclined plane. ...

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  20. A ring of mass 1kg and diameter 1m is rolling on a plane road with a s...

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