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The position function of a particle is given by EU} = t3 L?!2 + 45t+ 3, where time, t, is in seconds, distance, 3, is

The position function of a particle is given by EU} = t3 L?!2 + 45t+ 3, where time, t, is in seconds, distance, 3, is in metres, and t3: 0-. Find the velocity of the particle when the acceleration is zero. [5 marks)

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