Answer:
the road has a larger coefficient of linear expansion than the dirt
Answer is 240 ohms
Use the equation V=IR, rearranging it to make R (resistance) the subject.
R = V/I
Substitute the values:
V = 120
I = 0.5
Resistance = 120 / 0.5
Resistance = 240 ohms
B is a trough.
A trough is the opposite of a crest, in that it occurs at the maximum negative displacement of a wave.
In this problem, A would be the crest, C would be the wavelength, and D would be the amplitude.
Hope this helps!! :)
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