(Answered) A0340 kg particle moves in an xy plane according to xt

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A 0.340 kg particle moves in an xy plane according to x(t) = -15.00 + 2.00t - 4.00t3 and yet) = 25.00 + 7.00t - 9.00t2, with x and y in meters and t in seconds. At t = 0.700 s, what are

(a) the magnitude and

(b) the angle (relative to the positive direction of the x axis) of the net force on the particle, and

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