The weight that will cause a wire of diameter d to stretch a ...

[kodithompson]

The weight that will cause a wire of diameter d to stretch a given distance, for a fixed length of wire, is
 
  A) independent of d.
  B) proportional to d.
  C) proportional to d2.
  D) independent of what the length of the wire is.

Question 2

A cyclic process is carried out on an ideal gas such that it returns to its initial state at the end of a cycle. If the process was carried out on a clockwise sense around the enclosed area, as shown on the p-V diagram in Fig.
 
  12-2, then that area represents A) the heat added to the ideal gas.
  B) the heat that flows from the ideal gas.
  C) the work done by the ideal gas.
  D) the work done on the ideal gas.

[leeeep]

Answer to Question 1

C

Answer to Question 2

C

[kodithompson]

Gracias!

[isabelt_18]

Excellent