The main limitation on the efficiency of heat engines is due to ...

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The main limitation on the efficiency of heat engines is due to
 
  A) the second law of thermodynamics.
  B) friction in the moving parts.
  C) reaction forces due to Newton's third law.
  D) the first law of thermodynamics.
  E) environmental extremists.

Question 2

According to Bell's nonlocality principle,
 
  A) entangled particles exhibit correlations that are explainable only by real, instantaneous connections between them.
  B) the act of observation always disturbs the object being observed.
  C) a particle always has an irreducible uncertainty in its position or in its velocity or both.
  D) any small change at one point must eventually cause large changes at distant points.
  E) any two particles must always exert forces on each other no matter how far apart they are.

[ilianabrrr]

Answer to Question 1

A

Answer to Question 2

A

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Gracias!

[raili21]

Thanks for the timely response, appreciate it