Incandescent light bulbs emit thermal radiation because their filaments are heated to about 2500 kelvin. led light bulbs emit only at particular visible wavelengths. why do incandescent bulbs require more energy to shine with the same amount of visible light as led bulbs?
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Physics, 22.06.2019 00:30
Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.
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Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s
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Physics, 22.06.2019 12:00
In an experiment, how can i change human errors? be specific.
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Physics, 22.06.2019 16:30
Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?
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Incandescent light bulbs emit thermal radiation because their filaments are heated to about 2500 kel...
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