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A 20-Kg Body Moving Along the X Axis Has a Velocity

Question 1

Multiple Choice

A 2.0-kg body moving along the x axis has a velocity vx = 5.0 m/s at x = 0. The only force acting on the object is given by Fx = (−4.0x) N, where x is in m. For what value of x will this object first come (momentarily) to rest?


A) 4.2 m
B) 3.5 m
C) 5.3 m
D) 6.4 m
E) 5.0 m

Correct Answer:

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