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Example 15.3 A steel wire O.72 m longhas a mass of 5.0 x10^(-3)s kg. If the wire isunder a tension of 60 N, what is the speedof transverse waves on the wire?

Answer»

Mass per unit length of the wire,0.72 m

μ = 5.0×10−3kg

= 6.9 ×10–3kg m–1

Tension, T = 60 N

The speed of wave on the wire is given by,v=C√T/ μ

√ (60)/ (6.9x10-3kgm-1) = 93ms-1



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