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[" A particle of mass "10g" moves along a circle of radius "],[6.4cm" with a constant tangential acceleration.What "],[" is the magnitude of this acceleration,if the kinetic "],[" energy of the particle becomes equal to "8times10^(-4)J" by "],[" the end of the second revolution after the beginning "],[" of the motion? "],[[" (a) "0.15ms^(-2)," (b) "018ms^(-2)," (c) "0.2ms^(-2)," (d) "0.1ms^(-2)]]

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