JEE Main Physics question

Physics Systems of Particles and Rotational Motion JEE Main

Ratio of total kinetic energy and rotational kinetic energy in the motion of a disc is

(A)1:1
(B)2:7
(C)1:2
(D)3:1Correct

Answer: (D)

Solution

Total , rotational for a rolling disc. Ratio .

Question ID VK-159085