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The position vector of a particle is given by r⃗ = 3ti⃗ + 4t2j⃗ −2 (t3...

The position vector of a particle is given by r⃗ = 3ti⃗ + 4t2j⃗ −2 (t3 + 1) k⃗ where t in seconds and r⃗ in meters. Determine the Power P developed by the force F⃗ = 10i⃗ −2j⃗ −9k⃗ N acting on the particle at t = 3 s.

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