A particle performing uniform circular motion has angular momentum L. If its angular…
Physics · NEET · NTA Exams — Rotational motion
A particle performing uniform circular motion has angular momentum L. If its angular frequency is doubled and its kinetic energy is halved, then the new angular momentum is
- \(\frac{L}{2}\)
- \(\frac{L}{4}\)
- 2L
- 4L
Answer
(B) L 4
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A body rolls down an inclined plane. If the kinetic energy of its rotational motion is 40% of the kinetic…
- If a particle of mass m is moving with constant velocity v parallel to x -axis in x - y plane as shown in…
- Two particles A and B initially at rest, move towards each other by mutual force of attraction. At the…
- A force F =6 +3 +6 k is acting at a point r =2 i -6 j -12 k . The value of α for which angular momentum about…
- Assertion : The velocity of a body at the bottom of an inclined plane of given height is more when it slides…
- If the Earth shrinks such that its mass does not change but radius decreases to one quarter of its original…
- The diameter of a solid disc is 0.5 m and its mass is 16 kg. It is allowed to rotate about an axis passing…
- A round disc of moment of inertia 1_ 2 about its axis perpendicular to its plane and passing through its…
More Rotational motion questions · Browse all practice questions