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A particle moves along a straight line with the equation of motion s=%t32f2+3t,t20. a. Determine the particle's velocity and acceleration at any time t. b.

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A particle moves along a straight line with the equation of motion s=%t32f2+3t,t20. a. Determine the particle's velocity and acceleration at any time t. b. When does the motion of the particle change direction? c. When does the particle return to its initial position

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