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Chemistry, 27.05.2020 07:58 krystalhurst97
What is ancient sunlight?
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A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
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Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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