A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes, _______. [AFMC 1998, AIPMT 2015]
A. L
B. L/2
C. 21
D. L/\(\sqrt{2}\)
Answer:D
A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes, _______. [AFMC 1998, AIPMT 2015]
A. L B. L/2 C. 21 D. L/\(\sqrt{2}\)