Register
A machine has an efficiency of 70%. How much woke does the machine do when 20,000 J of work is done on it?
105k views
5 votes
A machine has an efficiency of 70%. How much woke does the machine do when 20,000 J of work is done on it?

User Scarlaxx
by
7.8k points

2 Answers

7 votes

Answer:A) !4,000

Step-by-step explanation:

Took the test and got it right :)

User Emcanes
by
7.7k points
3 votes
The answer is 14,000
User Sammy Pawar
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.

9.0m questions

11.6m answers

Other Questions

How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Which of the following statements does not describe a physical property of a piece of chalk A. Chalk is solid B.chalk can be broken into pieces C. Chalk is white D. Chalk will bubble in vinegar
Link Copied!