Q.

A steel wire 0.72m long has a mass of 5.0 ×10–3 kg. If the wire is under a tension of 60N, what is the speed of transverse waves on the wire ?

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Detailed Solution

l=0.72m,m=5.0×103kg,T=60Nμ=5.0×103kg0.72m=6.9×103kgm1
The speed of wave on the wire is given by,
V=Tμ=60N6.9×103kgm1=93ms1

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