The Only Force Acting on a 2

question 70

Multiple Choice

The only force acting on a 2.0-kg body moving along the x axis is given by F_x = (2.0x) N, where x is in m. If the velocity of the object at x = 0 is +3.0 m/s, how fast is it moving at x = 2.0 m?

• A) 4.2 m/s
• B) 3.6 m/s
• C) 5.0 m/s
• D) 5.8 m/s
• E) 2.8 m/s

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