A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes,
A. L
B. L/2
C. 2L
D. L/ 2
Answer:D
A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes,
A. L B. L/2 C. 2L D. L/ 2