physics question?

0 ⤊

The following sound waves have what velocity?
(a) Midddle C, f = 256 Hz and lamda = 1.34 m ___m/s
(b) The note A, f = 440.0 Hz and lamda =78.0 cm ____m/s
(c) A siren with f = 744.0 Hz and lamda = 46.1 cm ___m/s
(d) A note from stereo with f =2700.0 Hz and lamda = 12.70 cm ____m/s

2007-02-10 11:26:48 · 2 answers · asked by Hey ;) 3 in Science & Mathematics ➔ Physics

2 answers

Velocity = frequency x wavelength

v = f * lambda

You can do the simple math. Should be around 343 m/s.

2007-02-10 11:54:02 · answer #1 · answered by gizmeaux1 2 · 0⤊ 0⤋

All the velocities can be got from equation
c = f x lambda, where lambda has to be in centimetres.

2007-02-10 19:54:14 · answer #2 · answered by Dorian36 4 · 0⤊ 0⤋