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A horizontal net force F is exerted on a 2.0 kg object at rest. The object starts at I = 0 m and travels
4.0 m along a horizontal frictionless surface. The net force F as a function of the object's position is
shown below.
Force (N)
40+
30
20-
10+
Position (m)
2
3
4
5
6
7
What is the velocity of the object?