Hypersonic speed is one that is highly supersonic

Q.  What is the relation between hypersonic and supersonic speed?
- Published on 25 May 16

a. Hypersonic speed is one that is highly supersonic
b. Hypersonic speed is one that is lesser than supersonic
c. Hypersonic speed is lesser than speed of sound
d. Hypersonic speed is same as supersonic speed (just an alternate name)

ANSWER: Hypersonic speed is one that is highly supersonic
 
  • In aerodynamics, a hypersonic speed is one that is highly supersonic.
  • Since the 1970s, the term has generally been assumed to refer to speeds of Mach 5 and above.
  • Subsonic are below speed of sound.

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