Physics High School

a force of 25N acts on an object. The work done by the force is 400J. How far dose the object move in the direction of the force?

A. 6.3cm
B. 16cm
C. 16m
D. 10km​

Answers

Answer 1
Answer:
C
Explanation:
d=w/f
d=400/25
d= 16
Answer 2

The distance moved by the object in the direction of the force is equal to 16 m. Therefore, option (B) is correct.

What is the work?

Work can be demonstrated as the energy employed when a force is exerted to move an object through a specific distance. The work done depends upon both the exerted force on the object and the displacement.

The action of the force when the object is moving in a straight line in the direction of the exerted force over a distance 'd'.

W= F ×d

Where 'd' is the displacement, 'F' is the applied force and W is the work done.

Given, the work done by the applied force, W = 400 J

The force applied on the object, F = 25 N

The distance moved by the object, d = W/F

d = 400/25

d = 16 m

Therefore, the object moves a distance of 16 m in the direction of the force.

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Related Questions

which one of the following forces is a contact force force of gravity or force of friction​

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:Force. of friction:

When people place a metal saucepan on the heating element of a stove, heat is transferred from the element to the saucepan by: A reflection.
B convection.
C conduction.
D radiation.

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✔The matter is stationary on a macroscopic scale—we know that thermal motion of the atoms and molecules occurs at any temperature above absolute zero.) Heat transferred from the burner of a stove through the bottom of a pan to food in the pan is transferred by conduction.

XxMrprathamxX13

Please help, is an electric lamp a luminous object?​

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electric bulbs are definitely luminous objects so yes, i presume so!
Electric lamp why yes it is

What will happen when a charged object touches a neutral object?

Answers

if a charged object touches a neutral object it will be a short circuit.

Answer:

will force atom(electrons) within the escort (conductor) to go (move).

Explanation:

1) A pendulum is configured to have a period of 2 seconds.
What is the length of the pendulum? (Use 10 m/s^2 for g)

If you doubled the length of the pendulum, what would its New Period be?


2) In a car collision, a car experiences a force for 1 seconds. The car’s mass is 700 kg and it was moving at 20 m/s before the collision and slowed down to 8 m/s.
What is the force on the car during the collision?

If the collision was with a 650 kg car that was at rest, what was the speed of the 650 kg car after the collision?

Answers

"The" (and any subsequent words) was ignored because we limit queries to 32 words.

What is the momentum of a 750 kg car traveling at a velocity of 25 m/s north?

Answers

Answer:

18750 kg-m/s

Explanation:

Momentum = mass x velocity 

Answer:

18750 kg-m/s

Explanation: Momentum = mass x velocity 750x25 = 18750 kg-m/s

Can you brainlist

Classify each substance as either a conductor or insulator.

A sample of mercury:
✔ conductor

A piece of glass:
✔ insulator

A rubber hose:
✔ insulator

A negatively ionized lithium paste:
✔ conductor

Answers

The correct classification of each substance is as follows:

A sample of mercury: conductorA piece of glass: insulatorA rubber hose: insulatorA negatively ionized lithium paste: conductor

What are conductors and insulators?

A conductor is a substance that can transmit electricity, heat, light or sound while an insulator is a substance that does not transmit heat, sound or electricity.

Conductors are usually metals while insulators are usually non-metals. Examples of conductors include;

IronAluminumCopper

Examples of insulators include;

GlassPaperWoodSilk

Therefore, the correct classification of each substance is as follows:

A sample of mercury: conductorA piece of glass: insulatorA rubber hose: insulatorA negatively ionized lithium paste: conductor

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Answer:

Explanation:

E2020

How are gamma rays used for communication?​

Answers

Answer:

No

Explanation:

Electromagnetic radiation is used for communications and transmission of information. The waves that are used in this way are radio waves, microwaves, infrared radiation and light.

Do you think we might have problems with not enough water to supply our needs (water scarcity) in the
ture? Why or why not? If you answered yes, what might the causes be?

Answers

Answer:

Water scarcity (water stress or water crisis) is the lack of fresh water resources to meet the standard water demand. Humanity is facing a water crisis, due to unequal distribution (exacerbated by climate change) resulting in some very wet and some very dry geographic locations, plus a sharp rise in global freshwater demand in recent decades driven by industry. Water scarcity can also be caused by droughts, lack of rainfall, or pollution. This was listed in 2019 by the World Economic Forum as one of the largest global risks in terms of potential impact over the next decade.[1] It is manifested by partial or no satisfaction of expressed demand, economic competition for water quantity or quality, disputes between users, irreversible depletion of groundwater, and negative impacts on the environment.[2] Two-thirds of the global population (4 billion people) live under conditions of severe water scarcity at least 1 month of the year.[3][4][5][6] Half a billion people in the world face severe water scarcity all year round.[3] Half of the world's largest cities experience water scarcity.[5]

PLEASE READ CAREFULLY. AND PLEASE MARK AS BRAINLIEST

A(n) ________________________ is a substance that slows down a chemical reaction.
endergonic
exergonic
exothermic
inhibitor
endothermic

Answers

Answer:

inhibitor

Explanation:

Inhibitors slow down chemical reactions. Inhibitors slow down or stop the activity of an enzyme.

How are ultraviolet waves used for communication​

Answers

Can you include a picture


Certain specialised devices can be more than 100% efficient. True or false?

Answers

Certain specialized devices can be more than 100% efficient is referred to as a false statement.

What is Efficiency?

This is referred to as a way of measuring how much energy can be conserved in a process. On the other hand, energy is the ability to do work and can be lost through various means such as heat.

It is not possible to have an efficiency of 100%  because it means that there will be more energy being transferred than what is being supplied which would break the law of conservation of energy and is therefore the reason why false was chosen as the correct choice.

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Fossil fuels are burned, transferring their chemical potential energy to heat energy. How are nuclear power stations different?

Answers

Answer:

fossil fuels are natural and limited, nuclear is man made and more toxic

Explanation:

difference between sold and liquid​

Answers

Explanation:

Solids have closely packed particles and vibrate about a fixed position, they also have a fixed volume.

liquid have close particles but which are able to move with a bit of kinetic energy, for this reason they have no fixed volume but take the volume of the container or vessel

is there a gravitational force of attraction between your phone and the earth?

Answers

Yes. When you let go of your phone it will fall to the earth because of Gravitational pull. If it did not exist the phone would float like in space

I will make brainliest! PLS HELPPP!!
Answer these questions:
1. How is a mixture different from a compound?
2. How are the atoms in a compound held together?

Classify the following as mixtures, elements, or compounds:
3. H20
4. H4
5. Fe + S​

Answers

Answer:

1.A compound is when two substances are put together and there is a reaction creating a new substance Ex. H20. A mixture is when two substances are put together, there is no reaction and they can be separated easier than compounds. Ex. salad dressing.

2.Atomic bonds

3.Compound

4.Element

5.Mixture

Explanation:

Which of the following describes a reference point?
A. The location of an object before its motion begins
B. The center point of a grid
C. The point at which the direction of motion changes
D. The position of an object after its motion has stopped

Answers

The best answer is A.

Imagine you are looking out a car window and you see a tree. A few seconds later you do not see the tree where it was. You have used the tree as a reference point to know that the car is moving.

What is the speed of a rocket that travels 9,000 meters in 12 seconds?

Answers

9,000/12=750

Speed is equal to distance divided by time
742.57 m/s .............

Which equation determines the acceleration of an object moving in a straight line?

You must calculate the change in speed per unit of time.

Group of answer choices

Acceleration = ( initial speed - final speed ) / time

Acceleration = time / ( initial speed - final speed)

Acceleration = time / ( final speed - initial speed)

Acceleration = ( final speed - initial speed ) / time

Answers

Answer:

Option D

Last option

GOOD LUCK FOR THE FUTURE! :)

a stone is dropped from the top of a tower 400 m high and at the same time another stone is projected upward vertically from the ground with a velocity of 100 m/s. find where and when the two stones will meet.

Answers

Answer:The stones will be at the same height of 62.59 feets 4.4 seconds later.

Explanation:

What happens to the arrangement of atoms in matter as it is heated?

Answers

Answer:

When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance.

Explanation:

Atoms speed up and create more energy/heat.

How much work did he do if he traveled 20 meters?

Answers

A lot sndndnsndndndndnndndndnd

what is acceleration​

Answers

Answer: acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.

Explanation:

Plz help me with this question ASAP

Answers

ok i dont know to be honest

After reading a book, Julio looks out of the window and sees clouds in the distance. Which change allows Julio to clearly see the clouds after looking at his book? His corneas become flatter. His lenses change shape. His optic nerves begin sending signals. His vitreous humor becomes denser.

Answers

Answer:

Lens change

Explanation:

by changing the shape of the lens the rays from the clouds will be able to refract correctly in the lens then create the correct upside-down image on the retina.

Hope it helped

PLS mark BRAINLIEST

Answer:

His lenses change shape.

Explanation:

just took the quiz

Does the earth have mass

Answers

Answer:

yes it does

Explanation:

it's not like Balloon it is a solid so it the earth does have a mass

A farmer lifts a bale of hay to a hayloft that is 11m off the ground . If he uses a force of 280 N , how much work does the farmer do ?

Answers

Answer:

3,080 J

Explanation:

280 x 11 =3,080 J

hehe i hate being a single girl....what physical properties dose europium have

Answers

Answer:

Europium has a bright shiny surface. it's steel grey and has a melting point of 826 degree Celsius and a boiling point of about 1,489 degree Celsius.

Explanation:

the density is 5.24 grams per cubic centimeter.

Provide two examples of how health care workers can demonstrate their commitment to quality control through their personal appearance.

Answers

Standards of Performance can be used in numerous ways to help select applicants who are well suited to the healthcare organization’s culture. As we look at best practices for using healthcare standards of performance, we will share some specific examples. This week we examine standards for attitude and appearance.

Attitude:

Our job is to serve our customers and provide high quality service with care and courtesy.
Always thank customers for choosing our organization.
Exceed expectations.
Acknowledge a customer’s presence immediately. Smile and introduce yourself at once.
Attitude takes into account three things: our body language, our friendliness and our willingness to connect with our customers.

The body language that goes along with the words that we are speaking greatly influences how we are understood. In fact, experts tell us that how we speak is just as important as what we are saying! Our customers are our reason for being in the healthcare environment; our attitude should always be one of concern, respect and genuine caring.

As a customer yourself, do you remember those places of business where the staff was friendly and went out of its way to acknowledge you? Of course you do, since this was an environment where you felt welcomed. We exhibit friendliness by smiling warmly, introducing ourselves immediately, and never, ever ignoring someone. All our customers are equally deserving of attention.

Finally, we show the right attitude by meeting the needs of our customers or finding someone who can. We go out of our way to be helpful; for example, we don’t point the way – we accompany the customer to where they need to go. In addition, we always thank them for choosing us to provide their healthcare experience.

An attitude of service excellence is further exhibited by showing interest when a customer speaks to us. Each one, without exception, should be treated as if he or she is the most important person in our facility; and rudeness is never acceptable. We are attentive to the customer’s immediate need, or gladly take the individual to someone better equipped to provide the service. We always apologize for problems and inconveniences, and enthusiastically carry out service recovery.

Lastly, we recognize that our customers have a sense of urgency and show them that we value their time. Customers are not an interruption of our work; they are our focal point, and caring for them with an attitude that shows we value them should be our daily goal.

Appearance:

Be clean and professional.
Follow dress code policies and wear your identification badge correctly at all times.
Pick up litter and dispose of it properly.
Clean up spills and return equipment to its proper place.
How long does it take to make a first impression on a customer? Just seven seconds, according to popular research. How our customers perceive us in that brief time is very important because it sets the stage for their entire healthcare experience. A first impression is sometimes referred to a “moment of truth” because customers believe that what they are hearing, seeing or feeling is reality – that is, the truth of the situation. No matter that their first impression is merely a snapshot of less than one moment in time. It is perceived as genuine: who we are, the quality of service that we deliver, or our physical environment of care. Needless to say, making that first impression a good one is crucial.

Moments of truth are directly impacted by the appearance of staff as well as that of the workplace, both of which are a direct representation of our organization. When we dress appropriately for the job and wear our name badges so that they are easily readable, we project professionalism to our customers. We not only create a good first impression, but we also reinforce our culture of quality through attention to personal appearance. The same principle applies to our healthcare setting. When we take pains to keep our workspace uncluttered and to pick up trash in hallways and public areas, we are sending a positive message to those who enter the doors of our facility for the first time. We should always take pride in how we present ourselves and in the facility itself. Doing so conveys respect for customers and their expectations.

Help! y’all get brainliest

Answers

Answer:

True

Explanation:

Dietary fiber contains an indigestible material known as cellulite. This is false statement.

What is Dietary fiber?

Plant substances that are not broken down by human digestive enzymes are referred to as dietary fiber.

Only lignin and a few polysaccharides were recognized as meeting this criterion in the late 20th century, but resistant starch and oligosaccharides were listed as dietary fiber components in the early 21st century.

The phrase "all polysaccharides and lignin, which are not digested by the endogenous secretion of the human digestive tract" is commonly used to define dietary fiber.

At the moment, the majority of animal nutritionists either use a physiological definition, which states that "dietary components resistant to breakdown by mammalian enzymes," or a chemical definition, which states that "the sum of non-starch polysaccharides (NSP) and lignin."

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