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R(t) = 4t3 I + (2t + 3)j Is the Position

Question 141

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r(t) = 4t3 i + (2t + 3) j is the position vector of a particle moving in a plane. Find the speed at t = 1.


A) r(t) = 4t<sup>3</sup> i + (2t + 3) j is the position vector of a particle moving in a plane. Find the speed at t = 1. A) B) 12 C) 24 D) 0 E)
B) 12
C) 24
D) 0
E) r(t) = 4t<sup>3</sup> i + (2t + 3) j is the position vector of a particle moving in a plane. Find the speed at t = 1. A) B) 12 C) 24 D) 0 E)

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