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
anygoal [31]
2 years ago
7

Why is no machine 100% efficient or more than 100% efficient?

Physics
1 answer:
vova2212 [387]2 years ago
5 0

Answer:

See below

Explanation:

Energy is lost in the form of friction/heat/sound

  you cannot get more work out of a machine than you put into it.  

You might be interested in
A amusement park moves riders in a circle at a rate of 6.0m/s if the radius is 9.0 meters what is the acceleration of the ride
oksano4ka [1.4K]

Centripetal acceleration is (speed-squared) / (radius)

CA = (6 m/s)² / (9 m)

CA = (36 m²/s²) / (9 m)

CA = (36/9) (m²/m·s²)

<em>Centripetal acceleration = 4 m/s²</em>

4 0
3 years ago
Importance of a cell​
Anika [276]

Explanation:

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.

3 0
2 years ago
Which is the resulting direction of a surface wave
Sliva [168]
In a surface wave (like water) the water goes up and down, but the wave travels across (parallel to) the surface.
3 0
3 years ago
Please help this is for my final exam
ki77a [65]

Answer:

A

Explanation:

5 0
3 years ago
A car is travelling with a velocity 90 km/hr and other with 72 km/hr in opposite direction, find the relative velocity between t
satela [25.4K]

Answer:

590km pls brainlist

Explanation:

jjjuue

7 0
2 years ago
Other questions:
  • How does a plant react to light
    8·1 answer
  • Explain why an iron nail that is stuck to a magnet can pick up a paperclip
    10·2 answers
  • Which stage occurs just before ignition in an internal combustion engine?
    6·2 answers
  • Please need on this last one
    10·2 answers
  • Whats A Controlled Experiment? Whats A Controlled Experiment? Like what the definition is please!
    13·1 answer
  • Mass of a body is 210g and its density is 7.981g/cm^3 what will be its volume with regard to significant figures
    9·1 answer
  • Suppose a ball has a potential energy of 5 J when you drop it. What would be its kinetic energy just as it hit the ground? (Igno
    7·1 answer
  • Which of the following is NOT a characteristic of an inner planet?. . A.. rocky. . B.. solid surface. . C.. near the sun. . D..
    15·2 answers
  • A large object las Less of an attraction on a smaller <br><br> True <br> False
    12·1 answer
  • A 1.25 kg block is attached to a spring with spring constant 17.0 N/m . While the block is sitting at rest, a student hits it wi
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!