2. A particle of unit mass moves so that displacement after t seconds is given by x...

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2. A particle of unit mass moves so that displacement after t seconds is given by x = 2 cos (t - 2). Find the acceleration and kinetic energy at the end of 3 seconds. (K.E = (1/2) m V?) e

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2. A particle of unit mass moves so that displacement after t seconds is given by x...

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