Multiple-Object Accelerating Systems: A 3.0-kg mass and a 5.0-kg mass hang vertically at the opposite ends of a rope that goes over an ideal pulley. If the masses are gently released from rest, how long does it take for the 3.0-kg mass to rise by 1.0 m?
A. 0.41 s
B. 0.74 s
C. 0.82 s
D. 1.8 s
E. 0.90 s
Answer: E
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