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A 5 kg box is moving along the level ground

Physics

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A 5 kg box is moving along the level ground. At a given time, it is traveling at a speed of 2 m/s and accelerating at 3 m/s^2. What is the cart's kinetic energy at this time? 

 

a. 20 J

b. 12 J

c. 10 J

d. 8 J