Refer to Figure 6-11. Block A has a mass of 3.00 kg and rests on a smooth table and is connected to block B, which has a mass of 2.00 kg, after passing over an ideal pulley, as shown. Block B is released from rest. How long does it take block B to travel 80.0 cm?
A. 0.494 s
B. 0.785 s
C. 0.639 s
D. 0.935 s
E. 0.404 s
Answer: C. 0.639 s
Physics & Space Science
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