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
Rufina [12.5K]
3 years ago
11

Please can some one explaine fore me What is work done

Physics
1 answer:
olga nikolaevna [1]3 years ago
5 0
In Physics, 'work' has a very clear definition:

It's (strength of a force) times (distance through which the force acts).

'Work' has the units of Energy.

If you push against a shopping cart with 30 newtons of force, and
you keep pushing while the cart moves 4 meters, then you have
done (30 x 4) = 120 newton-meters of work = 120 "Joules". 
You might be interested in
What is the force when an object exerts 15 pascal pressure on a square surface of side 5 meters
olga55 [171]

Answer:375N

Explanation:

pressure =15 pascal

Length of side =5 m

Area=length x length

Area=5 x 5

Area=25 m^2

Force=pressure x area

Force=15 x 25

Force=375N

3 0
3 years ago
Which characteristics can be used to differentiate star systems? Check all that apply.
hjlf

The answer is:

the number of stars in the system

the age of the stars in the system

the way stars are organized in the system

I just finished this assignment, hope it helped.

7 0
3 years ago
Read 2 more answers
The Sun is the main source responsible for heating the surface of the Earth. Is this true or false? Give reasons to support your
notsponge [240]
Yes its true, because most energy is coming from the Sun. Other sources of energy on Earth are Earth internal energy and cosmic radiation but they infuluence much less the temperature of the surface of the Earth compared to the Sun.
3 0
3 years ago
At an age of 380,000 years, the temperature of the universe had fallen to 3000 K, and electrons could then combine with protons
defon

Answer:

The major transition occurred as a consequence of this change in the universe at this time is that  <em>b)The universe became transparent to light for the first time.</em>

Explanation:

For the first 380,000 years or so, the universe was essentially too hot for light to shine. The heat of creation smashed atoms together with enough force to break them up into a dense plasma, an opaque soup of protons, neutrons and electrons that scattered light like fog. Then 380,000 years after the Big Bang, matter cooled enough for atoms to form during the era of recombination, resulting in a transparent, electrically neutral gas.

This set loose the initial flash of light created during the Big Bang, which is detectable today as cosmic microwave background radiation. However, after this point, the universe was plunged into darkness, since no stars or any other bright objects had formed yet.

7 0
3 years ago
How do i do about how to do the doing of how about how the logic of the person below me is bad but actually isnt bad because the
olga55 [171]

Answer:

i think that bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad but actually isnt bad because their good at being bad but they are actually bad, that makes me say, its A

Answer:

Explanation:



Explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • What is the amount of "stuff in an object?
    11·2 answers
  • Answers n = 2 energy level to the n = 4 energy level has a __________ wavelength than the photon absorbed by an electron moving
    6·1 answer
  • _____ technology uses radio frequency identification (RFID) tags to identify and monitor the movement of each individual product
    12·1 answer
  • Explain how changes in weather are caused by the interaction of air masses
    6·1 answer
  • Diffuse reflection occurs when the size of surface irregularities is
    8·1 answer
  • A piece of charcoal used for cooking is found at the remains of an ancient campsite. A 1.09 kg sample of carbon from the wood ha
    6·1 answer
  • Speed is a vector quantity. Do you agree? Justify your answer.
    13·2 answers
  • Please help with a step by step method ​
    7·1 answer
  • Njjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
    7·2 answers
  • The solid shaft with a 20 mm radius is used to transmit the torques applied to the gears. Determine the maximum torsional shear
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!