Question:
A particle moves with position function s=t^4-4t³ - 8t² +
Last updated: 7/15/2022
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A particle moves with position function s=t^4-4t³ - 8t² + 15t, t≥ 0 (a) At what time does the particle have a velocity of 15 m/s? (Enter your answers as a comma-separated list.) t = (b) At what time is the acceleration 0? (Round your answer to two decimal places.) t =