A silver wire is 0.04 mm it is used to make a resistance of 1ohm if the resistivity of silver is 1.6*10^-8 then calculate the length of the wire needed

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Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?