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Statement of a problem № 2589

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A large roller in the form of a uniform cylinder is pulled by a tractor to compact earth; it has a 1.80-m diameter and weighs 10 kN. If frictional losses can be ignored, what average horsepower must the tractor provide to accelerate it from rest to a speed of 4.0 m/s in a horizontal distance of 3.0 m?

Solution:
A large roller in the form of a uniform cylinder is pulled by a tractor to compa

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