A particle performs uniform circulation motion with an angular momentum L. If the frequency of the particle motion is doubled and its kinetic energy is halved the angular momentum becomes _______.
A. 2L
B. 4L
C. L/2
D. L/4
Answer:D
A particle performs uniform circulation motion with an angular momentum L. If the frequency of the particle motion is doubled and its kinetic energy is halved the angular momentum becomes _______.
A. 2L B. 4L C. L/2 D. L/4