Solution Found!
Choose the BEST answer to the following:When 100 J are put
Chapter 20, Problem 21MCP(choose chapter or problem)
QUESTION:
Choose the BEST answer to each of the following:
When 100 J are put into a device that puts out 40 J of useful work, the efficiency of the device is
(a) 40%. (b) 50%. (c) 60%. (d) 140%.
Questions & Answers
QUESTION:
Choose the BEST answer to each of the following:
When 100 J are put into a device that puts out 40 J of useful work, the efficiency of the device is
(a) 40%. (b) 50%. (c) 60%. (d) 140%.
ANSWER:Step 1 of 2
Answer : (a) 40%