Physics, 31.08.2019 08:30 ashlynmartinezoz2eys
The escalator at st. petersburg metro in russia has a vertical rise of 195.8 feet. if the angle of elevation of the escalator is , find the length of the escalator.
Answers: 2
Physics, 21.06.2019 23:50
Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?
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Physics, 22.06.2019 05:30
Could someone . i have tried to solve myself but my calculation is off
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Physics, 22.06.2019 10:30
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.
Answers: 2
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