Physics, 17.12.2019 05:31 kyasnead8189
When a dam is placed in a river, water builds up on one side of the dam. an opening can be made in the dam, and a water wheel placed in that opening. as the water flows over the water wheel, energy is released that can be used to do work. the water wheel in the river is a good analogy for
Answers: 2
Physics, 22.06.2019 08:30
Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.
Answers: 1
Physics, 22.06.2019 10:20
Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)
Answers: 2
Physics, 22.06.2019 19:00
1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
Answers: 1
Physics, 22.06.2019 21:50
Ajoint produces movement when its angle decreases. which type of movement is it?
Answers: 1
When a dam is placed in a river, water builds up on one side of the dam. an opening can be made in t...
Mathematics, 25.06.2019 20:00
History, 25.06.2019 20:00
Mathematics, 25.06.2019 20:00
Mathematics, 25.06.2019 20:00
Mathematics, 25.06.2019 20:00