PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer these correctly!!!! (40pts)

Answer:

1. A copper piece cannot be changed into magnets, because -

• Only the ferromagnetic metals (the metals which have magnetic properties) can be changed into electromagnets or permanent magnets.

• But,copper is not a ferromagnetic metal and that's why we cannot change the copper into any kind of magnets

Explanation:

Answer:If the Earth stopped spinning suddenly, the atmosphere would still be in motion with the Earth's original 1100 mile per hour rotation speed at the equator. All of the land masses would be scoured clean of anything not attached to bedrock.

Explanation:

Answer:

Vesicular texture refers to volcanic rocks that contain holes called vesicles that were formed by gas bubbles in lava. This igneous rock is called scoria. The vesicles form from escaping gas bubbles in cooling lava.

Answer:

The answer is A because the equation is  KEi+PEi=KEf+PEf

i means initial (before) and f means final (after)

I think its c

d a c b

I hope this is helpful

Answer:

Its A.  B, C, A, D

Explanation:

Answer:

False

Explanation:

Larger pulse with more energy means that the wave has large amplitude. As in the given question, both the waves are travelling in the same medium, hence their speeds will remain same and therefore the larger pulse will not overtake the smaller pulse. Remember the amplitude of a wave does not affect the speed at which the wave travels

Answer:

False

Explanation:

The amplitude of a wave does not affect the speed at which the wave travels.  The speed of a wave is only altered by alterations in the properties of the medium through which it travels.

Answer:

a

Explanation:

Answer:

A) A pulse that carries energy

Explanation:

Edg.

Answer:

Law of Inertia

Explanation:

That's its other name

Answer:

The answer would be 5.6 kg of a mass.

Explanation:

p= mv

m= p/ v

The explanation of that is:

momentum = mass× velocity

mass= momentum / velocity

Hope this helped!

Answer:

The British were determined to crush the rebellion.

They were criminals and made achieving independence more difficult.

Explanation:

Mau-mau were rebellions and wanted to push out British and other Europeans out of Kenya. Mau mau were also the members of the Kikuyu and were making independence more difficult, due to their rebellion attitude. They were a secret society of Kikuyu.

2) The British were determined to crush the rebellion.

3) They were criminals and made achieving independence more difficult.

After British victory in World War II, Kenyatta received a request to return to Kenya in September 1946, sailing back that month. He decided not to bring Edna—who was pregnant with a second child —with him, aware that if they joined him in Kenya their lives would be made very difficult by the colony's racial laws. On his arrival in Mombasa, Kenyatta was greeted by his first wife, Grace Wahu and their children. He built a bungalow at Gatundu, near to where he was born, and began farming his 32-acre estate.

(a) The British were determined to crush the rebellion.

(b) They were criminals and made achieving independence more difficult.

Mau-mau were rebellions and wanted to push out British and other Europeans out of Kenya. Mau mau were also the members of the Kikuyu and were making independence more difficult, due to their rebellion attitude. They were a secret society of Kikuyu.

2) The British were determined to crush the rebellion.

3) They were criminals and made achieving independence more difficult.

After British victory in World War II, Kenyatta received a request to return to Kenya in September 1946, sailing back that month. He decided not to bring Edna—who was pregnant with a second child —with him, aware that if they joined him in Kenya their lives would be made very difficult by the colony's racial laws.

On his arrival in Mombasa, Kenyatta was greeted by his first wife, Grace Wahu and their children. He built a bungalow at Gatun, near to where he was born, and began farming his 32-acre estate.

Thus the British were determined to crush the rebellion.They were criminals and made achieving independence more difficult.

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Answer:

Newton Metre

Explanation:

Answer:

False

Explanation:

A Larger pulse with more energy means that the wave has a large amplitude. As in the given question, both the waves are travelling in the same medium, hence their speeds will remain the same and therefore the larger pulse will not overtake the smaller pulse. Remember the amplitude of a wave does not affect the speed at which the wave travels.

Hay muchos ejemplos importantes de fuerzas que no funcionan porque actúan perpendiculares al movimiento. Para el movimiento circular, la fuerza centrípeta siempre actúa en ángulo recto con el movimiento. Cambia la dirección del movimiento, pero no funciona en el objeto.

Answer:

Ok so I think i got it, Left is negative and so is down so if its facing down or left its negative force but if its right and up its positive so

A is neg

B is pos

C is Pos

D is Neg

E is Neg

f is Neg

Explanation:

hope that helps and have a great day

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Answer:

In English traditional grammar, a phrasal verb is the combination of two or three words from different grammatical categories: a verb and a particle, such as an adverb or a preposition — to form a single semantic unit on a lexical or syntactic level. Examples: turn down, run into, sit up.

Explanation:

The main differences between the manual, oscillate and pulse functions are;

A pulse can be regarded as a signal processing which is  is rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value.

The Oscillate function works with automation and it requires some automated system.

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Answer:

Kinetic energy is the energy of motion

so, 444 eggs would have been released in 37yrs

If a woman releases one egg every month for 37 years, then she releases 444 eggs.

A year is a unit of time that is commonly used to measure the period of time it takes for the Earth to make one revolution around the Sun.

The time it takes for the Earth to complete one orbit around the Sun is approximately 365.24 days, which is why a year is usually defined as 365 days, with an extra day added every four years (in what's called a leap year) to account for the fractional part of the year. This is known as the Gregorian calendar, which is the most widely used calendar system in the world.

A year is also commonly used to refer to the period of time it takes for an event or cycle to repeat, such as the school year, fiscal year, or a company's financial year.

There are 12 months in a year, and they are:

January

February

March

April

May

June

July

August

September

October

November

December

Each month has either 30 or 31 days, except for February which has 28 days (or 29 days in a leap year). The number of days in a month determines the number of days in a year, which is why a year typically has either 365 or 366 days, depending on whether or not it is a leap year.

Here in the question,

37 years is equivalent to 37 x 12 = 444 months (since there are 12 months in a year).

To calculate this, we simply multiply the number of eggs released each month (which is one) by the total number of months:

Number of eggs released = 1 egg/month x 444 months

Number of eggs released = 444 eggs

Therefore, over 37 years, a woman releases 444 eggs.

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Answer:

It is an essential concept of physics. In sports momentum term is commonly used. Like, if a team has the momentum then it is on the move and is going to take some effort to stop. But if a team has lot of momentum then it is really on the move and is going to be hard to stop

Explanation:

With the use of wave speed formula, below are the answers to the questions

1. C

2. C

3. D

4. B

All the question centered on wave speed, wavelength and wave frequency. The relationship between these three quantities is;

wave speed = wavelength x frequency

That is,

V = Fλ

1. The given parameters are;

V = 1,500 m/s

F = 5 Hz

wavelength λ = V/F = 1500/5 = 300 m

2.) Given that the wavelengths ranging from 2.75 to 16.5 meters and the speed of sound is approximately 330 m/s

When wavelength = 2.75 m

F = V/ λ = 330 / 2.75 = 120 Hz

When wavelength = 16.5 m

F = V/ λ = 330 / 16.5 = 20 Hz

Therefore, the frequencies of thunder humans hear ranges from 20 Hz to 120 Hz

3.) Since the two waves are similar, they will be travelling at the same speed. That is,

Wave speed of X = Wave speed of Y

For wave X and Y respectively;

F = 200 Hz and 700 Hz

λ = 35 m and λm

Find λ of Y by equating the two wave speed. That is,

Fλ for X = Fλ for Y

200 x 35 = 700 λ

λ = (200 x 35)/ 700

λ = 7000 / 700

λ = 10 m

Therefore, The wavelength for wave Y is 10 m

4.) Given that the sea lions  frequencies are ranging from 500 to 4,000 hertz. And the speed of sound in sea water is approximately 1,500 m/s

By using the same formula,

V = Fλ

Make wavelength the subject of formula

λ = V / F

When F = 500 Hz

λ  = 1500/500 = 3 m

When F = 4000 Hz

λ =  1500/4000 = 0.375 m

Therefore,  the approximate wavelengths of sound with which the California sea lions communicate is of the range 0.375 m to 3 m

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Answer:

the answer is D metal resting

Explanation:

I just think that because if you treasure can that's physical charge by dropping where you create a physical charge melting and Ice Cube might be 1 but I feel like metal resting is more likely

Answer:

Yes

Explanation:

The cart will definitely behave differently because more weight is added to it.

In order to successfully push a cart, the applied force must exceed the force of the weight of the cart along with its constituents and the frictional force between the tyres and the floor.

When more weights are added (the 2 packs of water bottles), it means that more force would be needed to overcome the opposing forces to the movement of the cart in order to successfully push the cart again.

Answer:

2nd bscause there is a reaction

Answer:d

Explanation:

I took the quiz and I got that question right :)

Answer:

Biodiesel or biogas vehicles are seen as an element on the path towards energy independence from fossil fuels and relief from unstable oil prices. ... CIVITAS cities test for example the use of biodiesel, biogas, compressed natural gas (CNG) and hybrid vehicles.

Explanation:

Answer:

Elastic collision

Explanation:

An elastic collision is a collision in which there is no net loss in kinetic energy in the system as a result of the collision. Both momentum and kinetic energy are conserved quantities in elastic collisions. Supposed two similar trolleys are traveling toward each other with equal speed.

Answer:

.1 seconds per meter

Explanation:

I am going to assume they are asking for the average time per 1 meter.

Because it took 10.23 seconds to run 100 meters, we are going to divide 10.23 by 100. This number will be the time per 1 meter.

To divide by 100, we will move the decimal point over by two. That will give us .1023 seconds.

The question asks to round to the nearest tenth, so we round it to .1 seconds.

*Just some trivia: Danie van Blerk does in fact have a time of 10.23 seconds. He has the 1073rd best 100 meter dash time. First place, Usain Bolt, has a time of 9.58 seconds.