How does noise affect a signal? A) It causes the signal to deteriorate.

B) It amplifies the signal.

C) It allows the signal to travel further.

D) It changes the signal as it moves from one medium to another.

The mini-refrigerator fire was most likely caused by what type of wiring?

If a simple machine reduces the strength of a force, what must be increased?

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above