Consider Two Blocks Hung by a Massless String from a Frictionless

question 50

Multiple Choice

Consider two blocks hung by a massless string from a frictionless pulley as shown in the figure.The masses of the blocks are m₁=5 kg and m₂=7 kg.The bottoms of the blocks are 20 meters above the top of the table.While m₂ is moving downward,what is the magnitude of its acceleration (within 5% accuracy) ?

• A)9.8 m/s²
• B)2.8 m/s²
• C)7.0 m/s²
• D)0 m/s²
• E)1.6 m/s²

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