A force acting on an object moving along the x axis is given by Fx = (14x - 3.0x2) N where x is in m. How much work is done by this force as the object moves from x = -1 m to x = +2 m?
a. +12 J
b. +28 J
c. +40 J
d. +42 J
e. -28 J
A
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