Physics, 21.04.2021 19:20 abtj4r7668g
Students are experimenting with circuits in their physics class, and they build the two
working circuits pictured below. The battery in each circuit is identical, and each bulb
(resistor) they add provides the same amount of resistance.
Circuit A
Circuit B
RI
R2
RE
H
W
w
They notice that every time they added bulb 3 (R3) to circuit A, the brightness of all
the bulbs dimmed, but when they added bulb 3 (R3) to circuit B, there is no change
to the brightness. Which explanation of this observation is most complete?
Answers: 1
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Asystem containing an ideal gas at a constant pressure of 1.22Γ10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
Answers: 3
Physics, 22.06.2019 11:30
Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.
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Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 β 103 s. given that the charge of an electron is 1.6022 β 10β19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
Answers: 1
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By what primary heat transfer mechanism does the sun warm the earth?
Answers: 1
Students are experimenting with circuits in their physics class, and they build the two
working ci...
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