Physics, 04.12.2020 03:00 madelein51301
Two copper spheres are currently 1.2 meters apart. One sphere has a charge of +2.2 x 10*C and the other has a charge of -8.9 x 10°C. What is the force between the charged spheres? Is the force attractive or repulsive?
Answers: 2
Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 22.06.2019 19:00, helpmegraduate40
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
Two copper spheres are currently 1.2 meters apart. One sphere has a charge of +2.2 x 10*C and the ot...
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