JEE Main 2014Medium
Q.A body is rotating with angular velocity 20 rad/s. If a torque of 40 Nm acts opposite to rotation for 5 s, the change in angular momentum is
a
200 Nm s
b
zero
c
100 Nm s
d
400 Nm s
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...