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The acceleration of a particle is defined by the relation formula474.mml, where k is a constant....

The acceleration of a particle is defined by the relation formula474.mml, where k is a constant. Know that x = 0 and v = 81 m/s at t = 0 and that v = 41 m/s when x = 28 m. (a.) Determine the velocity of the particle when x = 20 m. (Round the final answer to one decimal place.) The velocity of the particle is m/s. (b.) Determine the time required for the particle to come to rest. (Round the final answer to three decimal places.) The time required for the particle to come to rest is s.

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Z1 y-(129-2x 11.10x28)ngd e o So

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