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A 28.0-kg block is connected to an empty 2.56-kgbucket by a cord running over a frictionless...

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Physics

A 28.0-kg block is connected to an empty 2.56-kgbucket by a cordrunning over a frictionless pulley. The coefficient of staticfriction between the table and the block is 0.41 and thecoefficient of kinetic friction between the table and the block is0.32. Sand is gradually added to the bucket until the system justbegins to move. Ignore mass of cord. (Figure 1)

Calculate the mass of sand added to the bucket.

Calculate the acceleration of the system.

Answer & Explanation Solved by verified expert
4.1 Ratings (705 Votes)
Mass of the block M 28 kgmass of the bucket m 256 kgaNow consider the mass of the sand is ms when it beginsto movefs is friction forceNow    See Answer
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