A 3.0-kg block slides on a rough horizontal surface. A force of 8.0 N acting parallel to the surface is applied to the block. The coefficient of kinetic friction between the block and the surface is 0.15 . What is the magnitude of the block's acceleration?
a. 1.9 m/s2
b. 1.2 m/s2
c. 2.3 m/s2
d. 1.5 m/s2
e. 2.9 m/s2
B
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