A man lifts a 12 kg bucket of water at constant speed, from the bottom of a hole that is 17m deep. Ignore the mass of the rope . The work done by the man to lift the bucket is what? 1. 2000J 2. 1000J 3.200J 4. 120J 5. 0J

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Q: A student is riding a bicycle at a constant speed of 4.29 m/s on a level road. The mass of the…

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Q: A pump is required to lift a mass of 810 kgkg of water per minute from a well of depth 14.1 mm and…

A: Answer:-  Given,  Mass(m) = 810 kg water per minute  Height (h) = 14.1 m  Speed (V) = 18.1 m/s…

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Q: 7. A cone of radius 6m and height 3m has volume 367 m3. A cone of radius 3m and height 12m has the…

A: Given, height of first cone is, y = 3m radius of first cone is, r = 6m Since the first cone is built…

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Q: A bucket of water of mass 30 kg is pulled at constant velocity up to a platform 50 meters above the…

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Q: A 43-cm-long vertical spring has one end fixed on the floor. Placing a 2 kg physics textbook on the…

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Q: Bob drives a 3500kg truck off a cliff at an initial speed of 11m/s. The truck hit the bottom of the…

A: Answer Truck initial speed u = 11 m/s Truck mass m = 3500 kg  Truck final speed v = 18m/s

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Q: A 73-kg boy is surfing and catches a wave which gives him an initial speed of 1.6 m/s. He then drops…

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Q: A curious little girl held a 0.23-kg stone 1.2 m above the top edge of a water well and then dropped…

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Q: Don't use Artificial intelligence tools. Only Handwritten solutions are allowed. Mechanical…

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Q: HINT (a) How much net work (in J) is required for the cheetah reach its top speed? 28166 (b) One…

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Q: Suppose you lift a 20 kg box by a height of 1.0 m. a) How much work do you do in lifting the box?…

A: Part-a Given: The height upto which the box is lifted h = 1 m. The mass of the box m = 20 kg.

Q: student is riding a bicycle at a constant speed of 4.19 m/s on a level road. The mass of the student…

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Q: A 5-kilogram object fell free from a height of 3 meters. What is the kinetic energy of the moment it…

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Q: A 10 m chain is hanging from a tall building. The chain has a density of 1.5 kg/m. At the bottom of…

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Q: A bathtub in the shape of a hemispherical bowl of diameter 6 feet is filled with water. How much…

A: Consider a small portion of water in the hemispherical tub with thickness dy at height y from the…