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A bucket begins holding 30 kgs of sand The bucket is to be lifted to the top of a 15 meter tall building by a

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A bucket begins holding 30 kgs of sand The bucket is to be lifted to the top of a 15 meter tall building by a rope of negligible weight However the bucket has a hole in it and leaks 0 3 kgs of sand each meter it is lifted Find the work done lifting the bucket to the top of the building Joules

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