The only force acting on a 2.0kg body as it moves along a positive x axis has

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The only force acting on a 2.0kg body as it moves along a positive x axis has an .r component Fx = – 6x N, with x in meters. The velocity at x = 3.0 m is 8.0 m/s.

(a) What is the velocity of the body at x = 4.0 m?

(b) At what positive value of x will the body have a velocity of 5.0m/s?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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