Question: 7) A position function of a particle is given by s(t) = -t3 + 6t, t 2 0 a) Find the times when the particle

7) A position function of a particle is given by s(t)

7) A position function of a particle is given by s(t) = -t3 + 6t, t 2 0 a) Find the times when the particle is at the origin. b) Find the velocity function and the moments of time when the particle is at rest

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