This topic contains a solution. Click here to go to the answer

Author Question: A machine puts out 100 watts of power for every 1000 watts put into it. The efficiency of the ... (Read 226 times)

maychende

  • Hero Member
  • *****
  • Posts: 556
A machine puts out 100 watts of power for every 1000 watts put into it. The efficiency of the machine is
 
  A) 10.
  B) 50.
  C) 90.
  D) 110.
  E) none of the above

Question 2

A hydraulic press, like an inclined plane, is capable of increasing energy.
 
  A) sometimes true
  B) always false
  C) always true
  D) sometimes false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chjcharjto14

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B





 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

For a complete list of videos, visit our video library