A bucket full of sand has a mass of 20 kg (including the bucket and the sand). The bucket is to be lifted to the top of a building 15 meters tall by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 kgs of sand each meter it is lifted. Find the work done lifting the bucket to the top of the building.

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter9: Energy In Nonisolated Systems
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A bucket full of sand has a mass of 20 kg (including the bucket and the sand). The bucket is to be lifted to
the top of a building 15 meters tall by a rope of negligible weight. However, the bucket has a hole in it, and
leaks 0.1 kgs of sand each meter it is lifted.
Find the work done lifting the bucket to the top of the building.
Hint: Force = (mass)(acceleration). For this problem, the force will be a product where a
m
9.8
82
Joules
Transcribed Image Text:A bucket full of sand has a mass of 20 kg (including the bucket and the sand). The bucket is to be lifted to the top of a building 15 meters tall by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 kgs of sand each meter it is lifted. Find the work done lifting the bucket to the top of the building. Hint: Force = (mass)(acceleration). For this problem, the force will be a product where a m 9.8 82 Joules
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