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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 ?

A

`0.1m//s^2`

B

`0.15m//s^2`

C

`0.18m//s^2`

D

`0.2m//s^2`

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