Physics Middle School

This table shows the weights of four different objects that are sitting on the
A person tries to lift each object with a force of 25 N, upward. Which
statement is supported by the data in the table?

This Table Shows The Weights Of Four Different Objects That Are Sitting On TheA Person Tries To Lift

Answers

Answer 1
Applied force=25N

Here the given weights are

35N23N26N18N

W=mg so no need to multiply with acceleration due to gravity.

So what can he do

He can only lift up 2nd and 4th box as others weigh more than 25N.
Answer 2

Answer: B “object 3 will accelerate upward the fastest, and object 2 will not move.”

Explanation:

Related Questions

What type of heat transfer is most important to maintaining a relatively stable
climate on Earth? Justify your answer.

Answers

The type of heat transfer that is most important to maintaining a relatively stable climate on Earth is known as solar radiation.

What is Heat transfer?

Heat transfer may be characterized as the migration or transmission of heat across the border of the system due to an imbalance of difference in temperature between the system and its surroundings.

Solar radiations govern the principle and the entire process of heat transfer because it is the principle and fundamental source of heat and energy for the entire planet of the earth. These radiations initiate the process and pass down to the source artificial sources of heat transfer in physical life.

Therefore, solar radiation is a type of heat transfer that is most important to maintaining a relatively stable climate on Earth.

To learn more about Heat transfer, refer to the link:

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What would be different on Earth if the Moon did not exist?

Answers

The moon influences life as we know it on Earth. It influences our oceans, weather, and the hours in our days. Without the moon, tides would fall, nights would be darker, seasons would change, and the length of our days would alter.
1.) There would be an effect on the tides. For example El Niño and La Niña are lunar tidal phenomenon that is partially caused by the moon. Tides would be nearly 2/3 shorter.
2.) The earth would rotate about 3 times faster.
3.) With no moon, the tilt of the Earth’s axis which would cause a large shift in seasons and weather.
4.) There would be no lunar eclipses.
5.) The moon provides a lot of light at night, so if there was no moon, the nights would be extremely dark.
6.) Days would also be much shorter.

I got some of this info from Inside Science in case you need to provide a source.

Please help me asap .

Answers

Answer:

We use the four properties of sound: pitch, dynamics (loudness or softness), timbre (tone color), and duration.

Answer:

Dynamics, Duration, Pitch, Timbre! Hope this helped

Explanation:

What is the Genetic Modification Process?


Brainlyist for the best answer

Answers

Answer:

GM is a technology that involves inserting DNA into the genome of an organism. To produce a GM plant, new DNA is transferred into plant cells. Usually, the cells are then grown in tissue culture where they develop into plants.

Explanation:

u could also use bacteria, it is really helpful for genetic modification

identify the vibrating media in three different types of musical instruments

Answers

Answer:

There are three basic categories of musical instruments: percussion, wind, and stringed instruments. Most musical instruments use resonance to amplify sound waves and make sounds louder. In a musical instrument, the whole instrument and the air inside it may vibrate when the head of the drum is struck.

Compare the cost of using pan with a power rating of 2kW and a pan rated 1.2kW

Answers

Answer:

3.2wK

Explanation:

Sorry if it is wrong my cousin told me

i think you just add them? its 3.2kW

i need help please help me , god will bless you tonight .

Answers

Answer:

HEHEHE HA

Explanation:

Clash royale

Try googling it bc I’m not the best with this anymore

I need answers please i will give you 20

Answers

The answer is Yes! It will be louder but if you decrease the amplitude it will be softer

I don’t quite understand these could someone walk me through it when they give the answer?

Answers

Answer: :)

Explanation:

So basically, the first image shows a magnetic force created by the magnetism. This attracts/pushes away other magnets. The second picture is showing two magnets being held together while they are trying to push away from each other. The third picture is demonstrating the release of the magnets. As soon as you let go, the magnets push away from each other. I think the PE and KE are like models of batteries. PE is potential energy, being dormant until released. KE is kinetic energy, the energy that depends on the motion of the object. The more energy used, the more you fill in the battery. I hope this helps!

i need help :>................

Answers

11.) Crest
12.) Compression
13.) Energy
14.) Mechanical Wave
I couldn’t read the rest of 15.
Hope this helps!
11. crest
12. compression (cuz the particles rly close together)
13. energy
14. mechanical waves

Thoughts about Genetically Modified Crops
EXPLANATION PLZ NO EXAMPLES
BRAINLYIST FOR BEST ANSWER.

Answers

Well on the contrary to what the other person said , and it a good point overall but however you have another side to the argument or debate on such topic:
Although it might be beneficial for the farmers pockets There is a scientific consensus that currently available food derived from GM crops poses no greater risk to human health than conventional food, but that each GM food needs to be tested on a case-by-case basis before introduction. Nonetheless, members of the public are much less likely than scientists to perceive GM foods as safe. The legal and regulatory status of GM foods varies by country, with some nations banning or restricting them, and others permitting them with widely differing degrees of regulation.

However, opponents have objected to GM crops on grounds including environmental impacts, food safety, whether GM crops are needed to address food needs, whether they are sufficiently accessible to farmers in developing countries and concerns over subjecting crops to intellectual property law. Safety concerns led 38 countries, including 19 in Europe, to officially prohibit their cultivation.

What are the negative impacts on Genetically Modified Crops?

EXPLANATION ONLY NOT EXAMPLES PLZ

Brainlyist for best answer

Answers

One specific concern is the possibility for GMOs to negatively affect human health. This could result from differences in nutritional content, allergic response, or undesired side effects such as toxicity, organ damage, or gene transfer. Research indicates that GM crop technology can result in a net increase in herbicide use and can foster the growth of herbicide resistant weeds. In addition, there is concern that the use of GM crops may negatively impact the agriculture ecosystem.

explain how you can recognize the sound of a flute

Answers

The sound of a flute is poetic, light, mellow, and soft. Flute is a woodwind musical instrument produces the mild sound.

How flute produces sound?

Sound is a vibration that propagates as an acoustic wave, through a transmission medium such as solid, liquid ang gases. When an object vibrates, it causes a movement in surrounding air molecules. The molecules collide with the molecules close to them, causing them to vibrating as well.

The sound from flute comes due to the vibrating columns of air inside it. In a flute, the air gets vibrated and the resonator amplifies the vibration and gets modified into sound. When air is blown into the holes of flute, it creates the vibration in the air molecules inside the flute and hence, sound is produced.

The flute can produced continuous sound by the presence of number of holes in it. The flute sounds may be high pitch or soft tone depends on the position of upper and lower lips on flute.The sounds of flute are rich, gentle and gracefull.

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How can you describe a mineral that sparkles, breaks into thin sheets, and has a measure of 9 on the hardness scale?

1. It is metallic, has cleavage, and can be easily scratched.
2.It is non-metallic, has cleavage, and can be scratched by a nail.
3.It is metallic, has cleavage, and can be scratched with special equipment.
or 4. It is non-metallic, does not have cleavage, and can be scratched with difficulty.

Answers

(Awnser is 1 because it is correct
3 . Because it is correct you cannot make thin foil by your hand it needs special equipment

When going from slower medium to a faster medium, light is bent _____.

Answers

Answer:

When going from slower medium to a faster medium, light is bent _downwards_.

Explanation:

hope this helps you!

State, with a reason, whether hotdog relish a homogeneous mixture or a heterogeneous mixture.

Answers

Answer:

MHMMMM TRY DOING A SAND WHICH I DID THIS A MOONTH AGO AND I MADE A 105 THINK ABOUT IT

Explanation:

It’s a heterogeneous mixture because it’s not a uniform mixture throughout, there are big chunks of stuff that can’t be mixed together.

By looking at the relative positions of the elements calcium, Ca, fluorine, F, sulfur, S, and oxygen, O, in the Periodic Table, which TWO descriptions are TRUE about calcium fluoride, CaF2, and sulfur dioxide, SO2?


CaF2 is an ionic compound, and SO2i is a covalent compound.


CaF2 is formed by covalent bonds, and SO2 is formed by ionic bonds.


CaF2 cannot conduct electricity when dissolved in water, but SO2 can.


CaF2 is a gas at room temperature, while SO2 has a high boiling point.


CaF2 has a high boiling point, while SO2 is a gas at room temperature.


CaF2 is soft at room temperature, while SO2 is hard and forms crystals.

Answers

Answer:

Calcium Compunds-The fluoride,CaF²,is important to the production of hydrofluoric acid,Wich is made from CaF² by the action of sulfuric acids.CaF² us used laboratory instruments as a window material both infrared and ultraviolet radiation.

Sorry if other question not answered

Calcium Compunds-The fluoride,CaF²,is important to the production of hydrofluoric acid,Wich is made from CaF² by the action of sulfuric acids.CaF² us used laboratory instruments as a window material both infrared and ultraviolet radiation.

Thus, Since the turn of the 20th century, glass has been made with calcium fluoride, a novel substance. It is a solid that dissolves readily in water and has a special physical and chemical makeup that makes it suitable for usage as a glassmaking material.

Glass used in windows, bottles, and other glass goods was formerly created from calcium silicates before the invention of this substance. The new glass, referred to as glass with added fluorides, has a number of advantages over calcium silicates, which have drawbacks that make them unsuitable for the creation of modern glass.

Calcium Fluorine is a naturally occurring element that is frequently found in rock, soil, plants, and animals.

Thus, Calcium Compunds-The fluoride,CaF²,is important to the production of hydrofluoric acid,Wich is made from CaF² by the action of sulfuric acids.CaF² us used laboratory instruments as a window material both infrared and ultraviolet radiation.

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newtons second law

acceleration is affected by force and by ____


newtons 3rd law


every action forece has an equal and opposite _______

Answers

Answer:

law 2: the force acting on an object is equal to the mass of that object times it's acceleration

law 3: for every action there is an equal and opposite reaction

1) the mass of an object
2) Reaction

how can i be a basketball player

Answers

Try practicing basketball in your free time and learn to love it. You can also apply to schools or teams that teaches basketball more. Get good teachers.

What is the Genetic Modification Process?

Brainlyist for the best answer

Answers

Answer:

Production of GMOs is a multistage process which can be summarized as follows:

1. identification of the gene interest;

2. isolation of the gene of interest;

3. amplifying the gene to produce many copies;

4. associating the gene with an appropriate promoter and poly A sequence and insertion into plasmids;

5. multiplying the plasmid in bacteria and recovering the cloned construct for injection;

6. transference of the construct into the recipient tissue, usually fertilized eggs;

7. integration of gene into recipient genome;

8. expression of gene in recipient genome; and

9. inheritance of gene through further generations.

Genetic modification (GM) is when the genome of an organism (like a plant or an animal) is changed when new genetic material is added. ... This is crossbreeding or selective breeding , which humans have used to change plants or animals for thousands of years, as well as things like gene manipulation .

analyze if the frequency of a sound wave increases what happnes to the wavelength

Answers

Answer:

it's either a b c or do I swear

Can you mark me brainliest please I’m trying to rank up!:)

When writing a scientific paper, look for the most credible sources. Science doesn’t show bias, but we humans tend to show bias. Beware of sites and articles that provide facts without proper scientific evidence. Avoid using information from such sites. You must be able to identify reliable sites so the data in your paper is credible.

Use sources that end in .gov (government sites), such as CDC.gov. They are reliable sources. You can also use sites ending in .edu. They can be deemed trustworthy, but sometimes the information is written by students rather than scientists. Always find out who the author of the article is before proceeding. Some .org and .com sites are credible, but you need to analyze the content to verify their authenticity. As you review a source, try to answer these questions:

Who authored the article?
Is this person a scientific expert in the species I’m researching?
What is the purpose of the article?
Does the article state facts that scientists can prove with evidence?
Are there opinions in the article?
How old is the article?
Do other credible sources support the statements in this article?
(HELP NOW!!!!!)

Answers

Answer:

hope this help :)

Explanation:

Cancer is the name given to a collection of related diseases. Cancer is more than one type of disease. In cancer, as a result of genetic mutations, this regulatory process malfunctions, resulting in uncontrolled cell proliferation. CAD, Stroke, Respiratory illness, COPD are all diseases related to cancer. Inherited genetic mutations play a major role in about 5 to 10 percent of all cancers. There are many environmental pathogenic factors that can cause cancer. For example , Tar and Coal-Tar Pitch , Emissions , Secondhand Tobacco Smoke (Environmental Tobacco Smoke) , Arsenic , Soot , Asbestos , Wood Dust. When cancer cells break away from a tumor, they can travel to other parts of the body through the bloodstream or the lymph system. Cancer is hard to treat in later stages because it probably has already spread through out the body. The grade of a cancer depends on what the cells look like under a microscope. In general, a lower grade indicates a slower-growing cancer and a higher grade indicates a faster-growing one. Some examples of cancer treatments of cancer are, Surgery, Chemotherapy, Radiotherapy, Cancer drugs, Hormone therapy, Stem cell and bone marrow transplants, Targeted cancer drugs. A new treatment involving a photosensitising agent that makes cells more sensitive to light and, by doing so, causes cancer cells to be destroyed when a laser light is directed on a cancerous area. One challenge is, druggable genomic alterations are diverse and represent only small subsets of patients in certain tumor types, which limits testing their clinical impact in biomarker-driven clinical trials. Next-generation sequencing technologies are increasingly being implemented for molecular prescreening in clinical research, but issues regarding clinical interpretation of large genomic data make their wide clinical use difficult.

What are the positive impacts of Genetically Modified Crops?


Brainlyst for the best answer. :)

Answers

Answer:

The crops will have the ability to be resistant to certain diseases

The crops can be modified to meet certain criteria which means they can be used for medication and vaccines etc. So they can be modified to be stronger and to be more resistant to Ilness

Hi! I really need help on these questions, it would be great if you can answer them!

Answers

1: Equilibrium

[] When two forces are equal in opposite directions, they are in a state of equilibrium

2: Friction

[] It can be hard to sometimes slide a paper across a table, roll a car across the ground, etc etc. This is because of a force called friction which resists motion

3: Displacement

[] Work is only "done" when the object or surroundings are having movement, or in motion, and this creates displacement

4: Force

[] A force is a push/pull in any direction, this is a simple definition so not much can be added.

5: Inertia

[] Inertia is a force that likes to remain unchanged, or without movement

6: Effort

[] "Meg is holding up weight without movement. She hasn't done any work since it did not move, but is tired. Why?" Effort! She still put in effort even though no "work" happened

7: Work

[] Force times displacement is the equation for work

8: Motion

[] Look back to #3, when there is motion we can tell work is done

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

Equilibrium, friction, displacement, force, inertia

I have an Energy and temperature activity and I have questions to answer
I do not understand this question:
"Within a 24-hour period, at what three points should the temperature be taken? Why?"
Can somebody help me!!!

Answers

Answer:

8hours 16hours and 24 hours

Explanation:

this is because they 24÷3=8 so the time between the takings of the temperature are equal.

Divide 24 by 3 because 24 is the number of hours and 3 because it’s how many times you check it
24\3 = 8 or 8•3+24
So you would check the temperature every 8 hours
8 hours 16 hours 24 hours

newtons first law

the only way to change the velocity of an object is to apply _____

Answers

Answer:

the only way to change the velocity of an object is to apply force.

Explanation:

Newton’s first law of motion says an object will continue to move with the same velocity unless acted on by an external force.

Answer: FORCE! the answer is force!

Thoughts about Genetically Modified Crops

Answers

I think that GMOs, also known as genetically modified crops or organisms, can be used in good and bad ways. They can provide crops to survive longer, and produce a bigger portion. However, on the other side of that, it is claimed that it creates a large amount of greenhouse gas emissions, which can turn into climate change.
there r many pros and cons, also using a special type of bacteria is really helpful in genetic modification

2.4 physics assignment.

Answers

Answer:The distance o the ramp that the car traveled is given by d=(1/2)at^2=(0.5)(3.96)(5.76)^2=65.69 meters. The horizontal component of this travel is 65.69*

Explanation:

What happens when the two wires going in to an appliance touch?

nothing

resistance

overload

short circuit

Answers

Answer:

You will receive an electrical shock. You will receive a shock if you touch two wires at different voltages at the same time. You will receive a shock if you touch a live wire and are grounded at the same time. When a circuit, electrical component, or equipment is energized, a potential shock hazard is present.

Explanation:

sorry this is like a year later and I hope this will help you if you haven't got it already

Answer:

Explanation:

They will short circuit and shock u did the exam

A Chef is looking for a new frying pan that will allow her to cook food quickly at temperatures above 500°C. Use the data provided in the table to explain to the Chef which metal would be the best choice for a new frying pan for her kitchen.

What is your claim? Which metal is the best choice? (

What is your evidence?

What is your reasoning?

Answers

Answer:

Explanation:

1st one

What is your evidence?

Very heavy professional or restaurant pans will have iron handles, while those for home use will be made of brass or stainless steel. All are perfectly safe for oven use.

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