At what time or times is the particle at rest

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Reference no: EM13247667

A particle travels along the x-axis with postion ( measured in meters ) as a function of time ( measured in seconds ): x(t) = 5t^2-7t+2.
(a) At what time or times is the particle at rest?
(b) During what time interval does the particle have positive acceleration?
(c) At what time or times is the particle located at x = 0 m ?

Reference no: EM13247667

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