physics

Given the position function s(t) = t cos t, find the velocity function.
Answer

v(t) = -sin t

v(t) = sin t

v(t) = cos t - t sin t

v(t) = cos t + t sin t

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asked by laura
  1. Ahh, calculus...

    v= dx/dt= d/dt (tcost)=cost-tsint

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