1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
BartSMP [9]
3 years ago
14

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 machi

ne?
Physics
2 answers:
Gemiola [76]3 years ago
5 0

Efficiency = (output power) / (input power)

                = (3,760 joule/sec) / (4,000 joule/sec)
 
               =    3,760 / 4,000  =  0.94  =  94%
 
777dan777 [17]3 years ago
5 0

your answer is 94 percent

i just took the test


You might be interested in
Please help me with this Physics question?
Leno4ka [110]

C 82.4 N sorry man if i am wrong but don't even think about reporting my answer

6 0
3 years ago
As the rate of radioactive decay becomes smaller, half-life becomes ____.
Marina86 [1]

Answer:

Larger

Explanation:

8 0
2 years ago
A unit for measuring frequency is the
jonny [76]
A.) Hertz is the measuring unit for frequency!!
[Your explanation is correct]

Hope this helps!
4 0
3 years ago
Someone help me please
ivanzaharov [21]
C. cooked noodles and water
because noodles are long and water has no shape or size.
if you have any problems with this answer,
comment and I will fix it.
Thank s!
6 0
3 years ago
Complex carbohydrates, such as _____ and _____, provide the body with long-lasting energy.
Sauron [17]

complex carbohydrates, such as starches and fiber, provide the body with long-lasting energy.

Hope this helps!

7 0
3 years ago
Read 2 more answers
Other questions:
  • Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. A light year is the distance li
    9·1 answer
  • Why are my rift zones common places for igneous rocks to form
    13·1 answer
  • An object launched from Earth must attain a speed of 7,900 m/s to achieve a low orbit. What happens if the object’s maximum spee
    13·1 answer
  • Which wave would cause destructive interference at every point of the wavelength and completely cancel out the wave?
    7·2 answers
  • Consider a circuit with a main wire that branches into two other wires. If the current is 10 A in the main wire and 4 A in one o
    8·2 answers
  • A 7 kilogram cat is resting on top of a bookshelf that is 3 meters high. What is the cat’s gravitational potential energy relati
    5·1 answer
  • An object is is moving at the right with speed vi when a force of magnitude F is exerted on it.  in which of the following sit
    11·2 answers
  • Two students go to play basketball. They notice the ball is flat (it won't bounce). They decide to pump it up with air. After it
    9·1 answer
  • The temperature inside a Carnot refrigerator placed in a kitchen at 22 degree Celcius is 2 degree Celcius. The heat extracted fr
    5·1 answer
  • Which of the following describes a displacement vs. time graph that looks like this?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!