This chart shows characteristics of three different types of waves.
which statement is best s...
Physics, 09.09.2019 19:30, ggdvj9gggsc
This chart shows characteristics of three different types of waves.
which statement is best supported by the information in the chart?
a. wave x and wave y are mechanical waves, and wave z is an electromagnetic wave.
b. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave.
c. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave.
d. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.
Answers: 2
Physics, 22.06.2019 19:50, fili20
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
Physics, 23.06.2019 00:30, briseisr20
3. which is not a primary color of light? blue red green yellow
Answers: 1
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