3. The power produced by an electric motor is 400W. How long will it take the motor to do 10,000 J of work?

Answers

Answer 1

Answer:

25 seconds

Explanation:

Energy = Power × Time

Rearrange the equation, since we have to find time.

Time = Energy ÷ Power

Time = 10000 ÷ 400

Time = 25 s


Related Questions

When certain molecules accept and then donate electrons, they also pick up H+ ions in the matrix, then release them into the inter membrane space.
As H+ diffuses back into the matrix through ATP synthase, its passage drives the phosphorylation of ADP to ATP. This process is called.............
A.Chemiosmosis
B.Electron Transport Chain
C. Synthesis of ATP
D.ADP phosphorylation

Answers

The answer is going to be A

5. Most Sex-linked disorders like hemophilia and colorblindness are located on *

Answers

Answer:

Either the X or Y chromosome (the sex chromosomes)

Explanation:

Color blindness, hemophilia and muscular dystrophy are three x-linked phenotypes.


The region of the stem nearest the seed.

Answers

Answer:

B. Hypocotyl

Explanation:

A set of 23 chromosomes in a human cell
contains 3.2 billion pairs of DNA bases in
sequence. On average, about how many pairs
of bases are in each chromosome?

Answers

Explanation:

The human genome contains approximately 3 billion of these base pairs, which reside in the 23 pairs of chromosomes within the nucleus of all our cells. Each chromosome contains hundreds to thousands of genes, which carry the instructions for making proteins.

The human genome contains approximately 3 billion of these base pairs, which reside in the 23 pairs of chromosomes within the nucleus of all our cells. Each chromosome contains hundreds to thousands of genes, which carry the instructions for making proteins.

What is chromosome ?

A chromosome is a thread-like structure present in the nucleus of cells such as plant, animal and human cells and it is made of a molecule of DNA (Deoxyribonucleic acid) and histone proteins.

It is composed of three components, DNA, proteins and RNA,  amount of the DNA content ranges from 30 to 40 %, the amount of proteins from 50 to 65%, and small amount of RNA from 1 to 10%.

Two types of protein present in DNA such as histone and non-histones proteins, histone constitute large amount (90% of total protein), whereas non-histone is present in small amount (around 10% of total protein).

The histone protein is basic, whereas, the DNA is acidic, so it can be neutralized; DNA in chromosome  is present in two forms such as Euchromatin and Heterochromatin.

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answer sheet of Grade 10 science what I have Learned module 2 Quarter 3​

Answers

i’m sorry but i would like to help but this got me lost

Hurry Timed!!! Help pls!!! 20 points!!!

Answers

Answer:

This fern has roughly 630 pairs of chromosomes or 1260 chromosomes per cell. The fact that these cells can accurately segregate these enormous numbers of chromosomes during mitosis is truly remarkable.

Explanation:

Leaf cell has 21 chromosomes.

Why don’t eclipses occur during any other moon phases besides the new and full moon?

Answers

The Sun's (S) shadow cones ( umbras ) of the Moon (M) and the
Earth (E) are revolving, relatively.. When the Moon's umbra sweeps
the Earth's surface, it is solar eclipse. If the Earth's shadow sweeps
the surface of the Moon, it is lunar eclipse. These do not happen in
every New Moon and Full Moon. They happen, when the

E
M
S
, during New Moon, and the

M
E
S
. during Full
Moon, are very near
180
o
, for near-perfect alignment.

Which of the following occurs first in meiosis?
1. Homologous chromosomes line up in the center of the cell.
2. Chromosomes line up in the middle of each cell.
3. Crossing over between segments of homologous chromosomes.
4. Chromosomes are pulled to opposite poles of the cell.

Answers

Answer:

Crossing over between segments of homologous chromosomes.

Explanation:

Crossing over happens during prophase I of meiosis I

Action Potential: Relative refractory period
In a neuron, there is a period of time called the absolute refractory period where it is impossible for an action potential to
begin. This corresponds to the change in membrane potential from +30 to -70 mV, or the repolarization phase. Towards the
end of the repolarizing phase, there is a relative refractory period where it is difficult, but not impossible, for another action
potential to begin. Using the time slider function, which of the following segments in the neuron would correspond to a
relative refractory period?

Answers

A second action potential can be triggered during the relative refractory phase, but it will need a stronger stimulus to do so than the first time. Refractory times are brought on by the inactivation gate of the Na+ channel.

What Action Potential related to Relative refractory period?

The axon has a tougher time producing successive action potentials during this time period, which is referred to as the refractory period, as a result of these transient alterations.

As a result, the refractory period restricts the quantity of action potentials that a certain nerve cell can generate in a given amount of action potentials time.

If enough powerful stimuli are applied to the neuron after the absolute refractory time, Na+ channels start to recover from inactivation and the neuron may respond once again by generating action potentials.

Therefore, A stimulus that is stronger than usual is required to generate neuronal activation during the relative refractory period.

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Sickle cell anemia is an inherited form of anemia - a condition in which there aren't enough healthy red blood cells to carry adequate oxygen throughout your body.
Normally, your red blood cells are flexible and round, moving easily through your blood vessels. In sickle cell anemia, the red blood cells become rigid and sticky and are shaped like
sickles or crescent moons. These irregularly shaped cells can get stuck in small blood vessels. How does sickle cell anemia affect the blood flow in a human?

Answers

Answer:

RBCs are round red blood cells that easily move through blood vessels and carry oxygen with them to provide cells oxygen. In sickle cell anemia, the shape of the red blood cells is like sickles or crescent moons.

These cells occur due to mutation on the gene that produces this protein which results in rigid, sticky cells that can get stuck in small blood vessels and blocks the flow of blood, oxygen to parts of the body.

explain how important is the role of the parents during the earlier stage of development?​

Answers

The Role of parents is important is the early stage of development because parents are there to teach and help the child learn and advance in life

29.
Use the diagram below to answer questions 29 and 30.
Use Note-taking 22-6 to help you identify the five major root structures on the drawing of a
dicot root.
А A.
B
B.
с
C.
D.
D
E.
E

Answers

Answer:

The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must be:

9 in.

11 in.

12 in.

17 in.

Explanation:

I am the Bio-molecule responsible for storing
unused energy and can be used by living
organisms as long term, slow energy.

Answers

Answer:

It's LIPID

Explanation:

storing unused energy. Long time storage of energy.

Help melee please...

Answers

Answer:

25%

Explanation:

The image is the punnet square. :)

Which of the following strands are complementary DNA sequences?
Choose 1 answer:

Answers

It's B!!!!!!!!!!!!!!!

Which range best describes the possible number of cells in one organism

Answers

Answer:

ant to whale

Explanation:

Can small carbon compounds be formed into large carbon compounds?

Answers

Answer:

ya it can also be the largest compound but it needs alot if pressure

Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms and because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules.

Fungi are all eukaryotes that are not animals, plants or protists.
TRUE
FALSE
Check it

Answers

Answer:

true

Explanation:

this is it I think.:)

:)))))))))help me plsss

Answers

Explanation:

1. The materials are physically combined because all of the materials including the sand, salt, and iron fillings are their own substances and they maintain their original form. This is a mixture and they aren't chemically combined.

2. To separate each of the materials physical means would be used because since they're their own individual substances and have kept their original form they're mixed and not chemically combined.

3. The iron and oxygen atoms in rust are chemically combined because they are no longer individual substances and haven't kept their original form, so therefore they're a chemical combination.

You are breeding alligators to be reintroduced in the wild. One of the female alligators is albino. Would it be possible to get normal colored alligators from this female? Identify the genotypes of each individual and show your work in
the Punnett squares below.

Answers

Answer:

It is possible for normal coloured alligators to be produced. If the albino trait is recessive and normal is dominant, the male would need 1-2 dominant alleles to produce a normal coloured alligator. It is also possible for a normal coloured alligator to be produced if albino is dominant and normal is recessive. In this circumstance, the female must be h e t e r ozygous, but the male can be either h o m ozygous or h e t e r o zygous to produce normal coloured offspring.

First punnet square genotypes:

Female - albino

Male - albino/normal (can be either one)

Second punnet square genotypes:

Female - Normal

Male - albino/normal (can be either one)

What will happen to a tide pool itself if star fish are removed from the ecosystem?

Answers

Answer:

the ecosystem will be disturbed... the animals feeding on it will be reduced due to lack of food and the animals on which the star fish was feeding will be increased which causes a total imbalance in ecosystem..

How is viral reproduction different from the reproduction of single-celled and multicellular
organisms?

A. The virus depends entirely on a host cell to reproduce.

B. The virus relies on nucleic acids, such as DNA, to reproduce.

C. The virus relies on proteins to reproduce.

D. The virus reproduces very rapidly, but in smaller numbers.

Answers

Answer:

A. The virus depends entirely on a host cell to reproduce

Viral reproduction different from the reproduction of single-celled and multicellular organisms because the virus depends entirely on a host cell to reproduce. Thus, option A is correct.

What are the difference between single- celled and multicellular organism?

The main difference between single- celled and multicellular organism is that single- cellled organisms are made up only single cell on the other hand multicellular organisms are made up of multiple cells.

Cell theory is a scientific theory that's help to learn how living organisms are made up of cells, that's they are the basic structure unit of all organisms, and that all cells from pre-existing cells.

Prokaryotic Cell

Prokaryotic cells are single-celled microorganisms known to be  earliest on earth.

Eukaryotic cell

Eukaryotic cells have a nucleus enclosed within the nuclear membrane and form large and complex organism.

Difference between unicellular and multicellular.

The main difference between unicellular organisms and multicellular organisms is that unicellular organism is unspecialized it means all the body function depends upon only on the single cell and in multicellular organism there is specific cells for specific purposes.

Multicellular and unicellular organisms are perform almost all the life running activities and processes such as respiration, reproduction digestion, breathing, and metabolism.

In unicellular organism division of labour is at the organ level on the other hand in multicellular the division of labour at cellular, tissue, organs and organ system level.

Unicellular organism has simple body organization and multicellular organism have complex body organism.

Therefore,viral reproduction different from the reproduction of single-celled and multicellular organisms because the virus depends entirely on a host cell to reproduce. Thus, option A is correct.

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Other than enzymes, what else can be used to separate the DNA strands?

Answers

Answer:

The enzyme responsible for separating the two strands of DNA in a helix so that they can be copied during DNA replication.Explanation:

How does the ocean affect climate on land?

Answers

Answer:

1.due to land breeze and sea breeze

2.area near the ocean has mild climate

Which organization would not have to abide by OSHA guidelines?

a. nuclear plant
b. religious-based corporation
c. family run business with only local employees
d. all organizations must abide by OSHA guidelines

Correct ans: Nuclear plant :)

Answers

Answer:

b. religious-based corporation

The process of. Produces a new copy of an organisms genetic information which is passed on to a new cell

Answers

what process produces new copy of organisms genetic information?

DNA replication

Mitosis and meiosis are similar processes. Which BEST describes what can only occur after meiosis?

A.Parent cells can be either haploid or diploid.

B.Products of cell division result in identical genotypes.

C.Four daughter cells are produced by a single parent cell.

D.The number of chromosomes per nucleus remains the same after division.

Answers

Answer:

C.Four daughter cells are produced by a single parent cell.

1
What is the original source of energy for most ecosystems?

A.grass
B.humans
C.the sun
D.heat

Answers

Answer:

C. The sun

Explanation:

The sun provides energy for the plant to do photosynthesis. Since all animal species depend on plants qnd the sun helps the plants, the sun is the original source of energy.

Answer:

C,The sun

Explanation:

the vast majority of energy in food webs originates from the sun

Describe how each of the
following are evidence for Continental Drift
1. Fossils
2. Landforms
3. Rock Formations
4. Climate

Answers

Answer:

idek sorry

Explanation:

Please help me with this biology thing.

Answers

Answer:

Answer:

1.

a)dd

b) dd

c) 0%

2.

a) 25%

b) 75%

c) 25%

3.

a) 03

b) 0

c) tt

4.

a) FF x ff OR FF x Ff OR FF x FF

b) Because all the children have freckles

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Assuming that the appropraite rate of interest is 9%, wo whom should Carey sell the land. Show calculations. why must the lamina swing freely in physics explain the difference between production control and production planning What is not true about the medicine ball? A. It cannot be used in aerobic and agility exercises B. It can be added to a workout for extra resistance C. It engages core muscles when used D. It can help improve catching and throwing Nate scored a 990 on his first autemptonthe SAT and a 1140 on his second attemptPercent of change classify as a percent increase or decrease Hand Sanitizer question Buffer stock is the level of stock HELLLLLLLLLLLLLLLLLPPPPPPPPPPPP 10 POINTS anD BRAINIESt Zara and John are hiking on a trail that is 2 miles long. There are signs to mark each eighth of a mile along the trail draw a number to show the length of the trail. Then mark the number line off to show where each sigh is. Henry Ford manufactured the Model T car. 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Write a paragraph of at least 5 sentences describing your home (it does NOT have to be true).In the city (p. 108)Translate the following vocabulary words.1. depositar dinero ___________________________________2. mandar una carta ___________________________________3. nadar ___________________________________4. ver animales ___________________________________5. comprar medicinas ___________________________________6. bailar con amigos ___________________________________7. comprar comida ___________________________________8. mirar pelculas ___________________________________9. la farmacia ___________________________________10. el mercado ___________________________________11. el cine ___________________________________12. el banco ___________________________________13. el club ___________________________________14. la piscina ___________________________________15. el zoolgico ___________________________________16. el correo ___________________________________Estar with prepostions of place (p. 115)Using the verb estar and/or prepositions of place, fill in the blank with the most logical response. 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