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Physics 12 Online
OpenStudy (anonymous):

Two crates are connected by a massless rope that passes over a pulley as shown in the figure below. If the crates have mass 32 kg and 81 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 13 m above the floor, how long does it take for the more massive crate to reach the floor? Assume the pulley is massless and frictionless.

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