A particle moves with a position as a function of time given by r(t) = 6 t i + -1 t2 j (m).  One of the forces acting on the particle is given by F(t) = -10 t2 i + -4 t j  (N).  What is the power developed by this force 3 s into the journey, in W? (Please answer to the fourth decimal place - i.e 14.3225)

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A particle moves with a position as a function of time given by r(t) = 6 t i + -1 t2 j (m).  One of the forces acting on the particle is given by F(t) = -10 t2 i + -4 t j  (N).  What is the power developed by this force 3 s into the journey, in W?

(Please answer to the fourth decimal place - i.e 14.3225)

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