1 Free Certificate of Origin and Bill of Sale (Many dealer will charge $40-$50 for them to prepare and send you the Certificate of Origin and Bill of Sale, which required to register your vehicle. 2  Here in Superior PowerSports we'll provide you the certificate of origin and the bill of sale free of charge.).
ultraviolet will not pass through dense matter, radio does, sound travels at most at 600[m/s], telemetry uses radio waves (afaik), so i would say radio waves (not certain though) anonymous.
Report Abuse. Here's a few differences: Electromagnetic waves travel at the speed of light, mechanical waves travel at or below the speed of sound in the medium through which they're traveling. Mechanical waves can only flow through matter, EM waves can travel through free space (and through matter, as well).EM waves are carried by photons, and therefore have some of the properties of particles, as well as the properties of waves.echanical waves can only flow through matter, EM waves can travel through free space (and through matter, as well). EM waves are carried by photons, and therefore have some of the properties of particles, as well as the properties of waves.