JEE Main 2019 Physics question
A particle of mass m is moving along a trajectory given by , . The torque, acting on the particle about the origin, at t = 0 is:
Answer: (C)
Solution
At t = 0: , ; .
A particle of mass m is moving along a trajectory given by , . The torque, acting on the particle about the origin, at t = 0 is:
At t = 0: , ; .