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 v_x = 5.0 m/s at x = 0. The only force acting on the object is given by F_x = (−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

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