Multiple-Object Systems Without Friction: the Figure Shows a 100-Kg Block

question 85

Multiple Choice

Multiple-object systems without friction: The figure shows a 100-kg block being released from rest from a height of 1.0 m. It then takes it 0.90 s to reach the floor. What is the mass m of the other block? The pulley has no appreciable mass or friction.

• A) 60 kg
• B) 54 kg
• C) 48 kg
• D) 42 kg

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