A cart of mass 3.0 kg experiences four forces: 30 N upward, 30 N downward, 12.0 N to the left and 9.0 N to the right as the cart rolls across the table. What is the resulting acceleration of the cart?
a
7.0 m/s2 to the left
b
4.0 m/s2 to the left
c
1.0 m/s2 to the left
d
27 m/s2 to the left
e
3.0 m/s2 to the right
Answers: 2
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