Physics, 17.12.2020 18:00 danielcano12281621
A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field. What is the ratio of the radii of their orbits?
a. 2.8
b. 1.7.
c. 1.3.
d. 4.0.
e. 1.0.
Answers: 3
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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In a good thermo flask the main cause of heat loss is
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If a substance cannot be physically separated into component parts, it is likely to be answers a mixture a pure substance an alloy a heterogeneous mixture
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Which type of material is good at transferring heat?
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A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths i...
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