A maximum in the potential energy curve represents a point of ...

[segrsyd]

A maximum in the potential energy curve represents a point of
 
  A)
 
  neutral equilibrium.
  B)
 
  stable equilibrium.
  C)
 
  unstable equilibrium.
  D)
 
  positive equilibrium.
  E)
 
  negative equilibrium.

Question 2

An airplane flying faster than the speed of sound of 340 m/s produces a shock wave with an angle 0 = 50. What is the speed of the plane?
 
  A)
 
  490 m/s
 
  B)
 
  530 m/s
 
  C)
 
  390 m/s
 
  D)
 
  440 m/s
 
  E)
 
  405 m/s

[maya.nigrin17@yahoo.com]

Answer to Question 1

C

Answer to Question 2

D

[segrsyd]

Thank you!

[maya.nigrin17@yahoo.com]

Always glad to help...