The bulk modulus of a fluid is 6.3 x 109 Pa, and its density is 1.4 x 103 kg/m3.
What is the speed of sound in this fluid?
Sqrt 4.5 x 106 m/s
(14x10^-6) cos(40pi/11)*2.4 - (768pi)*6.7)
2 pi(384)(1.21)(343)(12*10^-6)= 12.01
Intensity question
12.01^2/(