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A particle of mass 3.2 kg is acted on by a non-constant force of F=3x2 (N/m2)....

A particle of mass 3.2 kg is acted on by a non-constant force of F=3x2\hat{x} (N/m2). When x=3 meters it has a speed of 7.5 m/s. How fast is it moving at x = 8 meters?

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Answer #1

work done by fa change in kinetic energy - 350 W= 405 I 485= 1X3.2X (ov-7.52 Vfz 10.96 m/s

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