What property of light waves does the michelson-morley interferometer directly demonstrate?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

Where should a carbon monoxide detector be mounted?

Asatellite with an orbital period of exactly 24.0 h is always positioned over the same spot on earth. this is known as a geosynchronous orbit. television,communication, and weather satellites use geosynchronous orbits. at what distance would a satellite have to orbit earth in order to have a geosynchronous orbit?