A particle of mass 10 g moves along a circle of radius 64 cm with a constant tangential acceleration. What is the magnitude of this acceleration if the kinetic energy of the particle becomes equal to `8xx10^(-4)J` by the end of the second revolution after the beginning of the motion ?

Options

A. `0.18ms^(-2)`
B. `0.2ms^(-2)`
C. `0.1ms^(-2)`
D. `0.15ms^(-2)`

Answer

C