A cord of mass 1.56 x 10-2g is stretched between two supports A and B 3.46 m apart. If the tension in the cord is 2.71 x 1011N. How long will it take a pulse to travel from A to B and then back to A?
Added by Anele Z.
Step 1
The speed of a wave on a string under tension is given by the formula v = sqrt(T/μ), where T is the tension and μ is the linear mass density. The linear mass density is the mass per unit length, so we can find it by dividing the mass of the cord by its length. Show more…
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A cord of mass 1.56 x 10-2 kg is stretched between two supports A and B 3.46 m apart. If the tension in the cord is 2.71 x 1011N. How long will it take a pulse to travel from A to B and then back to A?
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