12 A particle of mass m is moving in a of fixed radius r

Last updated: 6/14/2023

12 A particle of mass m is moving in a of fixed radius r such that its centripeta acceleration a is varying with time as a k rt2 where k is constant The power delivered to the particle by the forces acting on it as a function c time t is 1 2rmk r t 1 2 mk r t 3 path n