The most efficient engine possible is the
A) Joule cycle.
B) Wright cycle.
C) Kelvin cycle.
D) Carnot cycle.
E) Otto cycle.
Question 2
7.0 kg is hung from a steel wire of diameter 0.75 mm and length 2.5 meters. (S = 8.2 1010 N/m2; Y = 20 1010 N/m2)
(a) By how much does the wire stretch?
(b) If the wire diameter were doubled, what would be the stretch?