Calculate the speed of the object from 5 seconds to 10 seconds. Show your work and don't forget to include the units. (HINT for distance, make sure you are telling me the total distance traveled from 5 seconds to 10 seconds... no it is not 5 meters)

Answer:

Headphones use electromagnets, and Audio Speakers use very large magnets inside of them

Explanation:

This answer doesn't really need an explanation but you can just research why they use those kind of magnets in those objects if you want.

Answer:methane + oxygen -> carbon dioxide + water.

Explanation: this is your answer was happy to help

Answer:

none

Explanation:

Answer:

The energy of a wave is directly proportional to its frequency, but inversely proportional to its wavelength. In other words, the greater the energy, the larger the frequency and the shorter (smaller) the wavelength.

Explanation:

i hope it will help u buddy✅

Answer:

The energy of a wave is directly proportional to its frequency, but inversely proportional to its wavelength. In other words, the greater the energy, the larger the frequency and the shorter (smaller) the wavelength.

Explanation:

._.

Answer:

frequency.

Explanation:

Two sound waves of the same frequency that are perfectly aligned have a phase difference of 0 and are said to be “in phase.” Two waves that are in phase add to produce a sound wave with an amplitude equal to the sum of the amplitudes of the two waves.

The mass of the person would be 66 kg on both Earth and the Moon.

Answer:

B. From the rising warmed water to cooler water at the top

A pot of water is heated on an electric stove top and begins to boil and then Convection currents are set up in the boiling water and in the surrounding air.

Convection is the transfer of thermal energy by the actual movement of the molecules of a substance. A convection current is set up when the molecules of a fluid is heated, rises and is replaced by cooler molecules from below.

The characteristics of convection,

Convection occurs in liquids and gases.

Convection transfers thermal energy.

Convection occurs until all of the fluid is at the same temperature.

The two transfers of energy in this system are;

Hence, Option D is the correct answer.

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The transfer of thermal energy involved in this system which is an example of conduction is "thermal energy moves from the marshmallow to your fingers as  you touch the marshmallow."

Conduction is the movement of thermal energy without the actual movement of the particles of a body. They particles only collide with each other and transfer energy in the process while maintaining their mean positions.

When you touch the marshmallow, you feel the heat by conduction. Hence, the transfer of thermal energy involved in this system which is an example of conduction is "thermal energy moves from the marshmallow to your fingers as  you touch the marshmallow."

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Answer:  the answer is B

Explanation:  answer is :  Thermal energy moves within the air above the flames as warmer air rises

Answer:

Radio waves have the longest wavelengths in the electromagnetic spectrum.You can tune a radio to a specific wavelength—or frequency—and listen to your favorite music. The radio "receives" these electromagnetic radio waves and converts them to mechanical vibrations in the speaker to create the sound waves you can hear.

Explanation:

Answer:

its a!

Explanation:

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Answer:

Moon mining and outer-space colonies remain a pie-in-the-sky dream for now. But a new paper argues that the settlement of other worlds

Explanation:

Answer:

I was gonna answer but its old

Explanation:

Explanation:

Wave frequency is the number of waves that pass a fixed point in a given amount of time. The SI unit for wave frequency is the hertz (Hz), where 1 hertz equals 1 wave passing a fixed point in 1 second. A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.

Wave frequency is the number of waves that pass a fixed point in a given amount of time.

Answer:

Wavelength is one way of measuring the size of waves. ... The wavelength of a transverse wave can be measured as the distance between two adjacent crests. The wavelength of a longitudinal wave can be measured as the distance between two adjacent compressions.

Explanation:

Answer: 9.Gamma rays    10. Hertz

Explanation:

Answer:

mr or ms please type ur question fully please

Answer:

I cant read anything post a better pic broo

Cumulonimbus clouds are associated with stormy weather.

The student observes a chemical reaction by using Alumimium and Oygen gives, 4Al + 3O₂ ---- > 2Al₂O₃. Hence, option A is correct.

A chemical reaction is a process in which one or more substances are converted into different substances. The chemical reaction involves reactants and products.

A chemical reaction rearranges the constituent of atoms in reactions to produce different products. The reaction involves the change in the position of electrons and also involves the breaking of chemical bonds to produce products.

The substance involves in the reaction initially is called reactant. The reactions are chemically changed from the reactant to form products. The reactant is converted into products dependent on the reaction rate.

The reactions must be balanced to form a reactant and product. The number of atoms present in the reactants must be equal to the number of atoms present in the products.

From the given reaction,

4Al + 3O₂ ---- > 2Al₂O₃

Hence, the ideal solution is option A.

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The temperature of water changes as It decreases first and then remains constant . when it is placed in a freezer and then begins to freeze, therefore the correct answer is option A .

It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy .

When water changes to ice, firstly the temperature of the water decreases due to the specific heat, and during the phase change process, the temperature of the water remains constant .

Water temperature fluctuates when it initially drops and then stays the same . The right response consequently options A when something is placed in a freezer and starts to freeze .

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Answer:

2

Explanation:

Step 1: RxN

4Al + 3O₂ → Al₂O₃

Step 2: Balance RxN

We have 4 Al's and 6 O₂'s on the reactant side.

We need the same number of Al's and O₂'s on the product side.

4Al + 3O₂ → 2Al₂O₃

Answer:

d

Explanation:

because the motion is changing as it slows down mark brainliest to help me out :)

The example of an unbalanced force is a stroller being pushed. The correct option is D.

An object is said to be acted upon by an unbalanced force only when an individual force is not balanced by a force of equal magnitude and direction.

Unbalanced forces are caused by a forward force or thrust and a frictional force opposing each other.

Friction is an opposing force to motion. It occurs whenever two surfaces rub against each other, such as when you rub your hands together or apply the brakes on a bike or car.

Forces that are balanced are those that are opposite in direction and equal in size.

Equilibrium is defined as the presence of balanced forces. There is no change in direction when forces are balanced.

As here pushing a stroller is not balancing the force as the force applied is more than the opposing one.

Thus, the correct option is D.

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Answer:

the paper ball falls faster and the unfolded paper falls at a slower rate

Explanation:

this is because gravity is pulling both objects down to the ground and hence they are falling. Both objects have the same mass and weight but the resultant force of the paper ball is smaller than that of the unfolded paper. The unfolded paper has a larger surface area and so a larger force is acted upon it, meaning there is more air resistance. This shows that the paper ball falls faster than the unfolded paper.

The air resistance acting on the crumpled ball will be less and hence it will fall faster.

Air resistance describes the forces that are in opposition to the relative motion of an object as it passes through the air. The larger the object, the more resistance it has as it falls.

Mathematically, we can write it as -

F = [tex]\frac{1}{2} C_{D}[/tex] × ρv²A

Given are two identical pieces of paper such that one is crumpled up into a ball and the other one is left as flat sheet.

Now, as you throw both, the crumpled up ball and the flat sheet, the crumpled up ball will fall faster. The main reason behind this is that the total surface area of the crumpled ball in contact with the air is less than compared to that of the flat sheet. Air resistance on the crumpled ball with surface are in contact [say A(c)] can be written as -

F[1] =  [tex]\frac{1}{2} C_{D}[/tex] × ρv²A(c)

And that on the flat sheet with area of contact with the air [say A(f)] can be written as -

F[2] =   [tex]\frac{1}{2} C_{D}[/tex] × ρv²A(f)

Now as A(f) > A(c), therefore F[2] > F[1]

Therefore, the air resistance acting on the crumpled ball will be less and hence it will fall faster.

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Answer:

B and C

Explanation:

just did the quiz

The factors that influence amount of thermal energy that is found in an object are:

B: The average kinetic energy of the particles of the object

C:The mass of the object

Therefore option B, C are right.

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