Two Boxes Are Connected to Each Other as Shown

question 40

Multiple Choice

Two boxes are connected to each other as shown. The system is released from rest and the 1.00-kg box falls through a distance of 1.00 m. The surface of the table is frictionless. What is the kinetic energy of box B just before it reaches the floor?

• A)2.45 J
• B)4.90 J
• C)9.80 J
• D)29.4 J
• E)39.2 J

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