Physics, 25.03.2020 02:05 gabrielolivas59
A charge of 4.5 x 10^-5 C is placed in an electric field with a strength of 2.0 x 10^4 N/C. If the charge is 0.030 m from the source of the electric field, what is the electric potential energy of the charge?
Answers: 2
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The necleus of an atom is made up of what subatomic particles?
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Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603
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Physics, 22.06.2019 19:50
The heater element of a 120 v toaster is a 5.4 m length of nichrome wire, whose diameter is 0.48 mm. the resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10-6 ω·m. the toaster is operated at a voltage of 120 v. (a) what is the power drawn by the toaster? (b) if the cost of electricity is 12 ¢ per kilowatt-hour, and it takes 2 minutes to toast bread, how much does it cost for toasted bread? (c) when the heater element is at room temperature, is the resistivity in the nichrome wire greater than, less than, or equal to it’s resistivity when at operating temperature? explain.
Answers: 3
A charge of 4.5 x 10^-5 C is placed in an electric field with a strength of 2.0 x 10^4 N/C. If the c...
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