When a 2 Kg Object Is at X = 2

When a 2 kg object is at x = 2 m it has a velocity 2.5 m/s in the positive x-direction.The object is subjected to a single force of the form F=3x² + 2x + 5 N as it moves from x = 2 m to x = 4 m.what is the speed of the object when its location is x = 4 m?

A) 5.5 m/s
B) 10.m/s
C) 8.8 m/s
D) 9.2 m/s
E) 7.5 m/s

Correct Answer:

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