The potential energy for a certain mass moving in one dimension ...

[roselinechinyere27m]

The potential energy for a certain mass moving in one dimension is given by U(x) = (2.0 J/m3)x3 - (15 J/m2)x2 + (36 J/m)x - 23 J. Find the location(s) where the force on the mass is zero.
 
  A)
 
  4.0 m, 5.0 m
  B)
 
  (3.25 - 0.968i) m, (3.25 + 0.968i) m
  C)
 
  1.0 m
  D)
 
  2.0 m, 3.0 m
  E)
 
  3.0 m, 5.0 m

Question 2

Bernoulli's principle is a statement of the
 
  A)
 
  conservation of linear momentum.
  B)
 
  conservation of mass.
  C)
 
  conservation of energy.
  D)
 
  conservation of kinetic energy.
  E)
 
  conservation of angular momentum.

[joewallace]

Answer to Question 1

D

Answer to Question 2

C

[roselinechinyere27m]

Thanks

[joewallace]

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