In your material physics lab, as a challenging task, suppose you manufactured a
wire of total mass of 5 kg and length of 2 meters, but with a density that varies
exponentially with distance, that is µ = µ0 e
5x, where µ0 is some constant. You then
applied a constant tension on the string of about 15 N. Now if a wave generator
sends a pulse at one end of the string, how long does it take to reach the second end
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