Solution Found!
Suppose a woman does 500 J of work and 9500 J of heat
Chapter 15, Problem 5(choose chapter or problem)
QUESTION:
Problem 5PE
Suppose a woman does 500 J of work and 9500 J of heat transfer occurs into the environment in the process. (a) What is the decrease in her internal energy, assuming no change in temperature or consumption of food? (That is, there is no other energy transfer.) (b) What is her efficiency?
Questions & Answers
QUESTION:
Problem 5PE
Suppose a woman does 500 J of work and 9500 J of heat transfer occurs into the environment in the process. (a) What is the decrease in her internal energy, assuming no change in temperature or consumption of food? (That is, there is no other energy transfer.) (b) What is her efficiency?
ANSWER:
Solution 5PE
(a)
Substitute -9500 J for Q, and 500 J for W