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
sasho [114]
3 years ago
13

Is there any machine that is 100% efficient? why?why not

Physics
1 answer:
denis-greek [22]3 years ago
7 0

Answer:

No, it's not there.

Explanation:

For a machine to be 100% efficient, it has to be with an output which is equal to its input. But machines have an out put less than an input, hence efficiency below 100%.

You might be interested in
What type of vegetation would you expect to find on an abandoned Farm after 150 years?
Yanka [14]
A cactus would probably be the kind of vegitation you would find
8 0
3 years ago
Read 2 more answers
Which symbol is used for an alpha particle? a. β c. γ b. Δ d. α
xenn [34]
It is the very last answer

6 0
3 years ago
How do you not know your asleep till your awake lol
ozzi

Answer:

i think since our body is relaxed and our minds are relaxing. i'm not completely sure but i just think that we are kinda partially unconscious in a sense, but i don't really know. i'm not a professional or anything so i guess i don't have a lot of experience in these types of things lol.

Explanation:

anyways,

have a good day !

~mina-san

6 0
3 years ago
Read 2 more answers
A force of 200N acts between two objects at a certain distance apart .the value of the force when the distance is halved is?
statuscvo [17]

Answer:

800N is the answer

Explanation:

hope it helps

6 0
3 years ago
Carter pushes a bag full of basketball jerseys across the gym floor. The he pushes with a constant force of 21 newtons. If he pu
vlada-n [284]
By definition, the power is given by:
 P =  \frac{F*d}{t}
 Where,
 F: Force
 d: distance traveled
 t: time
 The power units is watts.
 Substituting values we have:
 P = \frac{21*9}{3}
 Making the corresponding calculations we have: P = 63 watts
 Answer:
 
he uses 63 watts of power:
 
P = 63 watts
5 0
3 years ago
Read 2 more answers
Other questions:
  • Using the interactive map, available at ejatlas.org, identify two separate environmental justice issues ongoing anywhere in the
    8·1 answer
  • HELP ASAP How are the bars in barred spiral galaxies thought to have formed?
    5·1 answer
  • Which of the following demonstrates a translation?
    12·2 answers
  • All of the following shows density and buoyancy except:
    8·1 answer
  • Identify the general outer electron configuration for each group of elements shown in this periodic table outline.drag each labe
    9·1 answer
  • 1. What is acceleration?​
    7·1 answer
  • How is energy related to the change of state represented by the model?
    15·1 answer
  • A series of processes on Earth’s surface and in the crust and mantle that slowly change rocks from one kind to another is called
    9·1 answer
  • Which of the following best describes a hypothesis?
    5·2 answers
  • help pls!!! this is worth 30 points, can someone pls help even if u can only give a few answers it would be helpful.
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!