Physics, 03.03.2020 18:03 slawson4328
. A light bulb glows because of it’s resistance, and the brightness of the bulbincreases with the electrical power delivered to it from the circuit. In the circuitbelow, the two bulbs are identical. Compared to bulb A, does bulb B glow morebrightly, less brightly or equally bright (when the bulbs are both in the circuit on theleft)?
Answers: 2
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Dry ice is solid carbon dioxide that is used in the transport of food and medicine. dry ice becomes a gas at –78.5°c without becoming a liquid first.
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Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?
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Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.
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. A light bulb glows because of it’s resistance, and the brightness of the bulbincreases with the el...
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