Physics, 21.01.2021 14:00, shealwaysknows23

A five minute English speech on humanity is the greatest religion

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Physics, 21.06.2019 18:00, nnyahtoland

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

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Physics, 22.06.2019 10:30, zoebtharpe

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.

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Physics, 23.06.2019 02:00, kharmaculpepper

How many electrons does each element require in its valence shell to become stable?

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Physics, 23.06.2019 02:50, neshaj

Adielectric-filled parallel-plate capacitor has plate area a = 30.0 cm2 , plate separation d = 9.00 mm and dielectric constant k = 3.00. the capacitor is connected to a battery that creates a constant voltage v = 15.0 v . throughout the problem, use ϵ0 = 8.85x10-12 c2/n. m2 . find the energy u1 of the dielectric-filled capacitor.

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