Donald is trying to get through a door but his friend Goofy is blocking the way using 15 N of force. Donald finally pushes on the door with 20 N and gets through knocking Goofy out of the way. Solve for net force.

Answers

Answer 1

Answer:

5 N

Explanation:

Goofy is blocking the way with 15 N force and Donald was only able to knock Goofy off using a 20 N force. The net force would be the difference between the applied force of Donald and that of Goofy.

Hence,

      20 N - 15 N = 5 N

The net force is, therefore, 5 N.


Related Questions

hurry and answer l will give you the brainlest What is a stimuli? write 3-5

Answers

Answer:

something that stimulates your brain

Explanation:

I am to new to this to know how to explain (a stimuli could also be something that is like touching a hot coal

Ethylene oxide is a highly flammable gas used to sterilize medical equipment. To prevent a fire hazard, ethylene oxide
should only be used in an area
O with open windows and doorways.
with non-flammable equipment only
O without fire extinguishers.
O without sparks or flames.

Answers

Answer:

without sparks or flames.

~+ lil more info +~

Ethylene oxide is a highly flammable gas used to sterilize medical equipment. To prevent a fire hazard, ethylene oxide should only be used in an area: without sparks or flames. ... To prevent a fire hazard, ethylene oxide should only be used in an area: without sparks or flames.

To prevent a fire hazard, ethylene oxide should only be used in an area without sparks or flames. Thus, the correct option for this question is D.

What is ethylene oxide?

Ethylene oxide may be defined as a type of highly flammable gas that is significantly utilized in order to sterilize medical equipment. It is a colorless gas with a sweet odor.

It is used primarily to produce other chemicals, including antifreeze. In smaller amounts, ethylene oxide is used as a pesticide and a sterilizing agent.

As this ethylene oxide is a highly flammable gas one must be required to keep this in a place or an area that is free from sparks or any other kinds of flames.

Therefore, to prevent a fire hazard, ethylene oxide should only be used in an area without sparks or flames. Thus, the correct option for this question is D.

To learn more about Ethylene oxide, refer to the link:

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What are 2 ways carbon can get from the ocean to the lithosphere?
[And i would appreciate some short simplified answers just to make its easier for myself]​

Answers

Two ways carbon can get from the ocean to the lithosphere is through the marine plants + animals (in the ocean) , sediments, petroleum then to the lithosphere. The second way is through the shells + coral (in the ocean), limestone, then to the lithosphere.

I WILL MARK BRAINLIEST

Answers

BI is right


Explanation:


Are the following populations likely to be undergoing evolution? Read the description of the population and select yes or no from the drop-down menu. A laboratory population of beetles is kept under conditions ideally suited for that species. All the beetles' needs are met. The space is very large, but contained.
Yes or No ​

Answers

Answer: No

Explanation:

hope this helps !!

Answer:

The answer is NO,

the next answer is YES

Explanation:

I did it 0,0

Which statement about DNA is NOT correct?
O DNA is found in the nucleus of eukaryotes
O DNA is single stranded
O Deoxyribose is the sugar in DNA
o there are two single ring nitrogen bases in DNA

Answers

Answer:

B (2nd Option): DNA is single-stranded

Explanation:

A is correct: DNA is indeed found in the nucleus of eukaryotes.

B is incorrect: Although there can be single strands of DNA (ssDNA), DNA is usually double-stranded which is how it forms its characteristic double-helix shape.

C is correct: Deoxyribose is indeed the sugar in DNA (Deoxyribonucleic Acid)

D is correct: The two single ringed nitrogenous bases in DNA are thymine and cytosine, while the other two (Adenine and Guanine are double ringed.

Hope this helped!

What would most likely happen to plant cells if the plant was watered with salty water?​

Answers

Answer: it will wilt and will eventually die.

Explanation:

Which of the following genetic abbreviations denotes a male human? help please

a) 23,XX. c) 23, XY
b) 46, XX d) 46, XY

Answers

Answer:

Answer is Option D - XY.

Explanation:

A typical human diploid cell contains 46 chromosomes, or 23 pairs: Two of the 46 are the sex chromosomes that determine an individual's sex: XX = female and XY = male.

Osmosis does not require an additional input of energy from the cell.
Osmosis is considered to be a type of
active transport
endocytosis
passive transport
exocytosis

Answers

Answer:

Osmosis is considered to be a type of

active transport.

Explanation:

Answer:

passive transport

Explanation:

Osmosis is the process in which water molecules move from a region of higher water potential to a region of lower potential down a water potential gradient across a partially permeable membrane, so little energy is required to carry out this process, thus it is a form or passive transport.

isabella works for an environmental safety group. her group wants to answer the question “to what lengths must we go to protect plants and animals?” why is her groups research question flawed?

Answers

Answer:

In this case, the question asked is "To what lengths must we go to protect plants and animals?", which is not specific and cannot be used for scientific research.

The ecological researches for the safety of the environment involves the protection of the plants and the animals on the basis of their number and vulnerability to extinction. Almost all the length of the plants are ecologically important and can decrease in number due to the changes in the environment, the length is not a parameter to determine the protection boundary.

Which best describes biotechnology?
the process of analyzing DNA samples to identify individuals involved in criminal activities
O DNA made by connecting fragments of DNA with desired traits from different DNA sources
the field of biology that uses genetic engineering to produce crops, pharmaceuticals, and enzymes for use in
industry and manufacturing
O the process of cutting DNA into fragments and inserting the fragments with a desired gene into another
organism

Answers

The field of biology that uses genetic engineering to produce crops, pharmaceuticals, and enzymes for use industry and manufacturing.

Answer:

The answer is

C.(The field of biology that uses genetic engineering to produce crops, pharmaceuticals, and enzymes for use in industry and manufacturing)

Explanation:

I took the test it was correct so hope this helps ya'll

What is the source of the energy that
flows through most of the food chains on
Earth?

Answers

Answer:

the corret answer is the sun

Explanation:

The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water.

The surroundings where a particular species lives is known as its

Answers

Environment

Hope this helps

Which of the following is not a greenhouse gas?

A. Carbon Dioxide
B. Methane
C. Water Vapor
D. Nitrogen

Answers

I think the answer is methane

Answer:A

Explanation:

Where and how do the high concentration H+ ions get out of the thylakoid?

Answers

Answer: here's what I could find on it:

- Energy travels through the electron transport chain, which pumps hydrogen ions into the thylakoid space.

- The concentration of H+ ions is higher inside the thylakoid than it is outside.  the ions flow through the channel by diffusion.

Explanation: sorry if that's not what you need.

The hydrogen ions are allowed to pass through the thylakoid membrane of the chloroplast through an embedded protein complex called the ATP synthase.

What is the ATP synthase?

ATP synthase is a protein complex which is made up of various enzymes which catalyzes the formation of the energy storage molecules such as ATP (Adenosine triphosphate) using ADP (adenosine diphosphate) and Pi (inorganic phosphate). It is classified under the ligase class of enzyme as it changes ADP molecule by the formation of P-O bonds.

ATP synthase requires energy to form energy storing molecules such as ATP, from adenosine diphosphate (ADP) and inorganic phosphate (Pi). Because of this, ATP synthesis is coupled with the cellular respiration of the mitochondria and electrochemical gradient which is created by the difference in proton (H⁺) concentration across the mitochondrial membrane during the electron transport through the electron transport chain (ETC). In plants, proton gradient is formed in the chloroplast, in the thylakoid lumen and through the thylakoid membrane.

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Myosin is plentiful in muscle cells, but is not found at all in lens cells. Lens cells contain large amounts of crystallins, which are not found in muscle cells. Why do some proteins appear in one type of cell but not in another?

Answers

JSJSJSJSjsnanajabzbdbjdensi
The answer is: During differentiation, certain genes are activated to produce proteins that enable specific functions.

A model of a biological process is shown. What is the purpose of this process?

Answers

D because this is the process of when the nitrogenous bases are going to match each other to form our DNA sequence

In the given model, the process of translation is described. It is done to translate the genetic code into a particular sequence of amino acids.

What is translation?

It is the process in molecular biology, in which ribosomes in the cytoplasm or endoplasmic reticulum produces proteins post the process of transcription of DNA to RNA.

It is the process of converting the sequence of a molecule of messenger RNA to the amino acids sequence at the time of the synthesis of protein. The genetic code illustrates the association between the sequence of base pairs in a gene and the sequence of corresponding amino acid, which it encodes.

Thus, the correct statement is the last one, that is, to translate the genetic code into a particular amino acid sequence.

Find out more information about translation here:

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Which shows the correct order of processes for fungi to reproduce sexually?

A genetically unique fungus is produced, a spore forms, and hyphae exchange genetic material.
A spore forms, a genetically unique fungus is produced, and hyphae exchange genetic material.
Hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced.
A spore forms, hyphae exchange genetic material, and a genetically unique fungus is produced.

Answers

The statement 'hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced' shows the correct order for fungi to reproduce se_xually.

What is a fungus?

A fungus is a multicellular eukaryotic organism that can reproduce by both se_xually and ase_xually modes of reproduction.

A hypha is a filamentous structure found in a fungus, which represents a type of ase_xual reproduction.

In conclusion, the statement 'hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced' shows the correct order for fungi to reproduce se_xually.

Learn more about fungi reproduction here:

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Answer:

C.

Explanation:

ik im late but whatver

Which statement BEST explains the role of DNA in the growth and specialization of an organisms?

Question 2 options:

A.DNA stores genetic information


B.DNA directly controls your body.


C.DNA controls which proteins are produced in each cell for different functions.


D.DNA creates all the same proteins in each cell of the organism's body.

Answers

C.DNA controls which proteins are produced in each cell for different functions.

different genes can be activated or inactivated that's why even though the cells that line your stomach contain the gene for ACTH synthesis they don't synthesize it

What happens after RNA is produced?

1. A protein is assembled by
attaching amino acids together, based on the RNA codons.
2. The RNA strand is converted back into DNA so the cell is ready for the next cell division.
3. The cell divides creating the sex cells (egg or sperm) for reproduction.

Answers

Answer:

It should be 1 if I am right

Explanation:

I WILL MARK BRAINLIEST + 20 POINTS

Answers

Answer:the answer would be the 4th one

Explanation:

Gus drew a diagram to compare marsupial and placental mammals. Which label belongs in the area marked Y? have a two-week gestation period young develop inside body sometimes lay eggs are endotherms

Answers

Answer:

i believe the answer is B, young develops inside body

Explanation:

both placental and marsupial mammals give birth to live animals

Answer:

A) have a two-week gestation period

Explanation:

This was right on edge nuity

I hope this helps

(pls mark brainliest)

Patients with a genetic condition known as cystic fibrosis struggle with symptoms such as lung and digestive problems. At the cellular level, the cells of patients with the disease do not transport water or other materials out of the cell efficiently. Therefore, patients’ cells have a build up of water and other substances inside the cell. Which of the following best describes how cystic fibrosis impacts cells?

Answers

Answer:

One pair of chromosomes includes a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene. This gene is large and complex — in fact, more than 1,000 different CF-related mutations have been identified.

In most people, the CFTR gene helps regulate the flow of salt and fluid in and out of cells. But if there is a mutation in this gene, chloride, a component of salt, gets stuck inside the cells and a thick, sticky mucus starts to build up inside the body.

Explanation:

helpppp pleaseee im currently about to fail

Answers

Answer:

B

Explanation:

Answer:

the b is the ccowect answertjynhtgbfvd

Explanation:

HELPPPP PLEASEEE 100 POINTS
does aerobic and anaerobic respiration have the same number of carbons, hydrogens and oxygens? Explain.

Answers

The fundamental difference between aerobic and anaerobic respiration is the usage of oxygen in the process of cellular respiration. Aerobic respiration, as the name suggests, is the process of producing the energy required by cells using oxygen. The by-product of this process produces carbon dioxide along with ATP – the energy currency of the cells. Anaerobic respiration is similar to aerobic respiration.

Osmosis, diffusion and facilitated diffusion are all examples of
1. Active transport
2. Passive transport
3. Photosynthesis
3. Asexual reproduction

Answers

Answer:

2. Passive Transport

Explanation:

In passive transport, molecules are going down their concentration gradient with no energy involved. In osmosis, water molecules move from a higher to lower concentration. In facilitated diffusion, molecules go from higher to a lower concentration through a transport protein.

helppp please , I’ll give brainliest

Answers

Answer:

b~~~~~~~~~~~~~~~~~~

The answer is the last option. Friction does not depend on the mass. It is untrue.

Examine the diagram of a cell.



Which accurately labels the Golgi body?

W
X
Y
Z

Answers

Explanation:

the answer is letter x but I t may be wrong because I think its the red one but its not an option

I think the answer would be Z

In shorthorn cattle, when a red bull (RR) is crossed with a white cow (WW), all the offspring are roan—a spotted, red and white color. What offspring are expected from mating a roan bull and a roan cow?

Answers

Answer:

25% red

50% roan

25% white

Explanation:

When RR (red) is crossed with WW (white), it results in roan color.

       RR (red)   x    WW (white)

              RW (roan)

Two roan individuals are then mated.

          RW    x    RW

       RR    RW    RW    WW

Offspring

1/4 RR - Red

1/2 RW - Roan

1/4 WW - White

Hence, the offspring are expected to be 25% red, 50% roan, and 25% white.

What is kinetic energy and how is kinetic energy related to the temperature of a substance?

Answers

Answer:

Kinetic energy is a property of a moving object or particle and depends not only on its motion but also on its mass. The temperature of gases is proportional to the average translational kinetic energy of atoms and molecules. The motion of individual molecules in a gas is random in magnitude and direction.

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