The displacement equations of two interfering waves are given by ${\mathrm{y}}_1=10\sin \left(\mathrm{\omega t}+\frac{\mathrm{\pi }}{3}\right)\mathrm{cm}, {\mathrm{y}}_2=5[\sin \mathrm{\omega t}+\sqrt{3}\cos \mathrm{\omega t}] \mathrm{cm}$ respectively.
The amplitude of the resultant wave is _____ cm.