Register
A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine? A. 96 percent B. 97 percent C. 92 percent D. 94 percent
146k views
5 votes
A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine?

A. 96 percent
B. 97 percent
C. 92 percent
D. 94 percent

User Ghillie
by
7.9k points

2 Answers

4 votes

Answer:94 precent

Explanation: took test

User Xolani
by
8.9k points
3 votes
D) 94 percent is your answer. To find the efficiency you divide the amount of useful work by the amount of energy supplied.
3,760/4000 = .94 or 94%
User Olivier C
by
7.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.1m answers

Other Questions

Passe para a voz passiva: - Kevin asked Dennis a question -Somebody Build the house last year -She gives him a box
Who is the author of Alice's Adventures in Wonderland'??
why is mercury usually hard to see without a telescope?
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
Which sentence has a misplaced adjective phrase? A. A clown at the fair with pink hair gave me a balloon. B. Marjorie is my cousin from Florida. C. My sister is the girl in the basketball jersey. D. That
Link Copied!