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. 2 L
D. L / 2 [AFMC 1998, AIPMT 2015]
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. 2 L D. L / 2 [AFMC 1998, AIPMT 2015]