Supersonic means "Faster than the speed of sound" so they are not the sme thing.
No such thing as supersonic sound. Things can move with supersonic speed (fighter jets, ends of whips) making a shock wave, but the sound arrives at your ears at the speed of sound.
The main difference is the speed of the object in relation to the speed of sound. Subsonic refers to speeds slower than the speed of sound, while supersonic refers to speeds faster than the speed of sound. In the case of supersonic speeds, objects are traveling faster than the speed at which sound waves propagate in the medium.
A supersonic bullet is a bullet that is faster than the speed of sound.
The threshold for supersonic speed is 761 mph in a temperature like 70 degrees. Supersonic speed is any speed greater than the speed of sound (mach 1) and a speed five times the speed of sound (mach 5?) is referred to as hypersonic speed.
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Supersonic.
Supersonic air craft.
It is going faster than the speed of sound.
That's a sonic boom. Sound waves are never supersonic in themselves, objects can be supersonic ... which causes a pressure wave (which moves at "sonic" speeds) and which can be heard (firing a gun will do it).
One supersonic aircraft is the F-15 Eagle. -Supersonic means it can fly faster than Mach 1, the speed of sound. Most fighter jets today are supersonic, in fact many fly more than twice the speed of sound.
Supersonic and hypersonic are speeds. Supersonic means faster than the speed of sound, and hypersonic means very much faster.