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When a metal is illuminated by light, photoelectrons are observed provided that the wavelength of the light is less than 520 nm. What is the metal's work function
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When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart
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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, 22.06.2019 16:00
The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2
Answers: 1
When a metal is illuminated by light, photoelectrons are observed provided that the wavelength of th...
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