Question

015
The speed of sound in Rubber, butyl is 1830 m/s. If its density is 1.35 g/cm^3 then its elastic modulus would be:

Answer 1

We know that

$$c=\sqrt{\frac E\rho},\\\space\\ E=c^2\rho=1830^2·1.35=4520000\text{ Pa}.$$