A net external force is applied to a 13 kg object that is initially at rest. The graph to the left shows net force component along the displacement of the object as it varies with displacement.
1) What is the work done between 0 m and 4 m?
2. What is the work done between 0 m and 13 m?
Work =
3. What is the speed of the object at 13 m?
vf =