A particle moves along the x-axis so that at time t ≥ 0 its position is given by [math]x(t) = cos sqrt{t}[/math]. What is the velocity of the particle at the first instance the particle is at the origin?
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A particle moves along the x-axis so that at time t ≥ 0 its position is given by [math]x(t) = cos sqrt{t}[/math]. What is the velocity of the particle at the first instance the particle is at the origin?
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