The pressure in a traveling sound wave is given by the following equation. p = (2.1 Pa) sin ?[(1.40 m-1)x - (280 s-1)t].
(a) Find the pressure amplitude.
____ Pa
(b) Find the frequency.
____ Hz
(c) Find the wavelength.
____ m
(d) Find the speed of the wave.
____ m/s