Mathematics, 04.06.2020 19:05 pecanpielover04

A particle moves along a straight line so that after a time t (sec), its distance S(cm) from the starting point O is given by: S= t^3+15t^2+63t-40. Find: (a) the distance from O when the particle is momentarily at rest. (b) the velocity when the acceleration is zero.

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A particle moves along a straight line so that after a time t (sec), its distance S(cm) from the sta...

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