A wheel of moment of inertia 5 10^ -3 ,kg - m^2 is making 20 revolutions per second. It is stopped in 20...

Question

A wheel of moment of inertia 5 10^ -3 ,kg - m^2 is making 20 revolutions per second. It is stopped in 20 seconds. The angular retardation is

Accepted Answer

(B)

JEE Main Physics question