The Initial Velocity of a 4

Multiple Choice

The initial velocity of a 4.0-kg box is 11 m/s, due west. After the box slides 4.0 m horizontally, its speed is 1.5 m/s. Determine the magnitude and the direction of the non-conservative force acting on the box as it slides.

A) 42 N, due west
B) 120 N, due east
C) 31 N, due east
D) 59 N, due east
E) 83 N, due west