Author Question: An ideal Carnot engine operating between a warm reservoir of unknown temperature and a cold ... (Read 105 times)

jessicacav · **on:** Jul 29, 2018

An ideal Carnot engine operating between a warm reservoir of unknown temperature and a cold reservoir at has an efficiency of What is the temperature of the warm reservoir?

A) 1.98 K
B) 0.180 K
C) 157 K
D) 0.160 K

Question 2

A person tries to heat up her bath water by adding 5.0 L of water at 80C to 60 L of water at 30C. What is the final temperature of the bath water?

A) 34C B) 36C C) 40C D) 38C