A string of length 7 m has a mass of 0.035 kg . If tension in the string is 60.5 N , then speed of a wave on the string is

Question

A string of length 7 m has a mass of 0.035 kg . If tension in the string is 60.5 N , then speed of a wave on the string is, 77 m / s, 102 m / s, 110 m / s, 165 m / s

MARKS App · Accepted Answer

speed of a wave on the string is, v = T μ Linear mass density is, μ = 0.035 7 μ = 5 × 1 0 - 3 kg / m ∴ v = 60.5 5 × 1 0 - 3 v = 12.1 × 1 0 3 v = 110 m / s

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