Physics, 22.07.2019 18:30 markleal4022
As a blacksmith heats a piece of iron, the iron glows red, then yellow, then white. the iron provides a demonstration of which phenomenon? a. emission spectra b. quantum mechanics c. photoelectric effect d. blackbody radiation
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Physics, 21.06.2019 19:00
Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied. true or false
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Physics, 21.06.2019 21:30
Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.
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Physics, 22.06.2019 11:00
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
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Physics, 22.06.2019 20:00
Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?
Answers: 3
As a blacksmith heats a piece of iron, the iron glows red, then yellow, then white. the iron provide...
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