ℓ
= √ = √ = √
Dengan :
= cepat rambat gelombang (m/s, cm/s)
= gaya tegangan dawai (N, dyne)
ℓ = Panjang dawai (m, cm)
= massa dawai (kg, gr)
= massa persatuan panjang dawai (kg/m, gr/cm)
3
3
= massa jenis dawai (kg/m , gr/cm )
2
2
= luas penampang dawai (m , cm )
3