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Two blocks are connected by a lightweight, flexible cord that passes over a frictionless pulley. If m1 is 3.4 kg and m2 is 9.1...Asked by Becky
Two blocks are connected by a lightweight, flexible cord that passes over a frictionless pulley. If m1 = 3.8 kg and m2 = 9.2 kg, and block 2 is initially at rest 140 cm above the floor, how long does it take block 2 to reach the floor?
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Answered by
drwls
Acceleration a = (m2 -m1)/(m2 +m1) * g
Solve for t:
(a/2)*t^2 = 0.140 meters
Solve for t:
(a/2)*t^2 = 0.140 meters
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