Physics, 16.08.2021 23:00 chamyaparker
if the temperature of the tire rises to 50 degrees celcius and the volume remains constant, what is the new pressure?
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=force × distance a. work b. velocity c. pressure d. momentum
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Which lists the organs in the correct order as food passes from the mouth to anus?
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Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
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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
if the temperature of the tire rises to 50 degrees celcius and the volume remains constant, what is...
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