When a net horizontal force of 250 N acts on a 50-kg cart that is free to roll on a level surface,
A. the cart accelerates at 12500 m/s2.
B. the cart accelerates at 9.8 m/s2.
C. the cart accelerates at 5 m/s2.
D. the cart accelerates at 0.20 m/s2.
E. the cart does not accelerate because it pushes back on the person with a force of 250 N.
Answer: C
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