FIGURE 6-12 -Two Masses Are Connected by a String Which Goes Over

question 90

Multiple Choice

FIGURE 6-12
-Two masses are connected by a string which goes over an ideal pulley as shown in Figure 6-12. Block A has a mass of 3.00 kg and can slide along a rough plane inclined 30.0° to the horizontal. The coefficient of kinetic friction between block A and the plane is 0.400. Block B has a mass of 2.77 kg. What is the acceleration of the blocks?

• A) 0.392 m/s²
• B) 1.96 m/s²
• C) 3.12 m/s²
• D) 5.35 m/s²
• E) 0 m/s²

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