Hey, it's Paul Cavalconte in for Corny O'Connell on this Friday. Question Of The Day breaks the sound barrier, marking the anniversary of the supersonic jet, the Concorde, which launched in 1976. The ...
Light is the fastest in the universe, and its speed reaches 300,000 kilometers per second. However, on the earth, the ' sonic velocity ' of about 340 meters per second is the speed barrier, and ...
Sound waves travel at approximately 750 mph at sea level, but slow down at higher altitudes. The speed of sound is called "Mach 1." Supersonic refers to speeds from Mach 1 to Mach 5 (1 to 5 times the ...