The only force acting on a 4.0 kg body as it moves along the positive x axis has an x component Fx = −8x N, where x is in meters. The velocity of the body at x = 3.0 m is 8.8 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 5.0 m/s?

Question

The only force acting on a 4.0 kg body as it moves along the positive x axis has an x component Fx = −8x N, where x is in meters. The velocity of the body at x = 3.0 m is 8.8 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 5.0 m/s?

ac3 · Answer

@freckles think you could help me out?