Only two forces act on a 3.0-kg mass. One of the forces is 9.0 N east, and the other is 8.0 N in the direction of 62° north of west. What is the magnitude of the acceleration of the mass?
A. 2.0 m/s2
B. 2.4 m/s2
C. 3.3 m/s2
D. 2.9 m/s2
E. 5.7 m/s2
Answer: D
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