How does refraction support the particle theory of light? a. particles bounce off surfaces similar to the way in which a ball bounces off a wall. b.light slows down and bends when it moves from a less dense to a more dense medium. c. forces act on the particles to push or pull them from one medium to another. d. as light passes through an opening, it spreads out in all directions.
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Physics, 23.06.2019 03:00, blancademarco1994
A75-hp (shaft output) motor that has an efficiency of 91.0 percent is worn out and is to be replaced by a high-efficiency motor that has an efficiency of 95.4 percent. the motor operates 4368 hours a year at a load factor of 0.75. taking the cost of electricity to be $0.12/kwh, determine the amount of energy and money saved as a result of installing the high-efficiency motor instead of the standard motor. also, determine the simple payback period if the pu
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Physics, 23.06.2019 06:00, ZachLaVine2016
If we decrease the amount of force and keep all other factors the same what will happen to the amount of work
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