Can someone please answer this, ill give you brainliest Would be very appreciated.

Answer:

Today my mom drove the car and when the car was standing it was potential energy but when the car started moving it turned into kinetic energy. Hope it helps.

Explanation:

Option A and C best describes the energy transformation in this system. This electrical energy is then transferred to an insulated storage tank in her garage.

According to the Law of conservation of energy,Energy can not be created nor be destroyed, it can transfer from one to another form.

The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.

The following best describes the energy transformation in this system is;

A. The majority of the electrical energy produced in the system is destroyed as it is transferred to the water tank.

C. The majority of the light energy that initially enters the system is lost to the air surrounding the water tank.

Hence, option A and C are correct.

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Answer:

The amount of light energy that enters the system is equal to the amount of heat energy that is produced.

Explanation:

I got it on study island

Answer:

The amplitude of a wave is the height of a wave as measured from the highest point on the wave (peak or crest) to the lowest point on the wave (trough). Wavelength refers to the length of a wave from one peak to the next.

Explanation:

When the light of wavelength is falling on gold surface, the electrons begin to exchange energies.

a)The work function in eV is Φ =5.097 eV.

b) The cut-off wavelength is λ₀ = 243.71 nm

c) The frequency is ν₀  =1.231 × 10¹⁵ Hz

The energy needed for a particle to escape and break through the surface.

The kinetic energy of the light emitted is 2.66 eV and wavelength of the light is 160 nm = 160 × 10⁻⁹ m.

a) The work function of the gold for given maximum kinetic energy is

Φ = hc / λ  - K.Emax

Substituting 6.626 × 10⁻³⁴ J.s for h, 3 × 10⁸ m/s for c and 2.66 eV for K.Emax, work function will be

Φ =8.16 × 10⁻¹⁹ J

1 eV = 1.6 × 10⁻¹⁹

The work function in eV is Φ =5.097 eV.

b) The cutoff wavelength is related to work function as

λ₀ = hc / Φ

Substitute the corresponding values into the equation, we get the cut off wavelength

λ₀ = 243.71 nm

c) The frequency corresponding to the cut-off wavelength is

ν₀ = c / λ₀

Substitute the corresponding values into the equation, we get the frequency,

ν₀  =1.231 × 10¹⁵ Hz

Therefore, the values for the following are

a)The work function in eV is Φ =5.097 eV.

b) The cut-off wavelength is λ₀ = 243.71 nm

c) The frequency is ν₀  =1.231 × 10¹⁵ Hz

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Answer:

The mass of a spacecraft is the same on earth as the moon.

W = F = M a    the weight is different because the acceleration due to gravity is less on the moon than it is on earth.

On could choose a different mode of acceleration, say a compressed spring, and find that mass of an object does not depend on gravitational attraction.   F = M a holds on the moon as well as on earth

Both objects will have the same temperature,  larger than T but smaller than 2T.

A system in equilibrium if there is no change in temperature after long time.

Assuming the system of two objects with the temperatures 3T and 2T.

When we put them together, heat transfer from the hotter object to the colder one takes place, until both of them have the same temperature

Also, the object with temperature 3T loses temperature, while the object with temperature 2T increases its temperature,

2T < T < 3T

Thus, both objects will have the same temperature, which is larger than 2T but smaller than 3T.

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Answer:

The bottom three pie graphs show the breakdown for each of three greenhouse gases in comparison to the total. Seventy two percent (72%) of the total greenhouse gases emitted was carbon dioxide, 18% methane and 9% nitrous oxide.

Explanation:

Given the amount of work done in pushing the car over the given distance, the amount of force applied is 2400 Newtons.

Work done is simply defined as the energy transfer that takes place when an object is either pushed or pulled over a certain distance by an external force. It is expressed as;

W = F × d

Where f is force applied and d is distance travelled.

Given that;

W = F × d

60000kgm²/s² = F × 25m

F = 60000kgm²/s² ÷ 25m

F = 2400kgm/s²

F = 2400N

Given the amount of work done in pushing the car over the given distance, the amount of force applied is 2400 Newtons.

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Answer:

Carbonation

Explanation:

Carbonation will increase due to the addition of greenhouse gases in the atmosphere.

Defining carbonation :

When rainwater hits rock it decomposes it or eats it away. This is known as carbonation. This occurs when slightly acidic (carbonic) rain or seawater comes into contact with sedimentary rock, such as limestone or chalk, it causes it to dissolve.

Answer:

the invention of elevators has made a huge change to our society, and created a new revolution on not only allowing people to get to higher floors, but to also decrease the amount of land being used in a city.

Answer:

True

Explanation:

I'm not exactly sure on this , but A solution is made up of two components. Namely,

1. The solvent

2. The solute

The solute has a lower percentage in the solution while the solvent has a higher percentage in the solution so yes, the solvent is used to dissolve the solute

Answer:

The pencil will appear wider and bent

Explanation:

no explanation

Answer:

Both

Explanation:

Both of them are part of newtons laws of motion

The value of maximum current for A 35-mf capacitor which is connected to an ac source with a frequency of 400 hz and a maximum emf of 20 v is 1.76 ampere.

The capacitance of a capacitor is the ratio of the electric charge stored inside the capacitance to the potential difference.  The value of capacitive reactance can be calculated as,

[tex]X_c=\dfrac{1}{2\pi fC}[/tex]

Here, C is capacity and (f) is the frequency.

A 35-mf capacitor is connected to an AC source with a frequency of 400 hz and a maximum emf of 20 v.

[tex]X_c=\dfrac{1}{2\pi fC}\\X_c=\dfrac{1}{2\pi (35\times10^{-6})(400)}\\\X_c=11.37\rm\; ohm[/tex]

The maximum current flowing is the ratio of maximum emf to the capacitive reactance. Thus, the maximum current is,

[tex]I_{\text{RMS}}=\dfrac{V_{\text{RMS}}}{X_C}\\I_{\text{RMS}}=\dfrac{20}{11.37}\\I_{\text{RMS}}=1.76\rm\; Amp[/tex]

Thus, the value of maximum current for A 35-mf capacitor which is connected to an ac source with a frequency of 400 hz and a maximum emf of 20 v is 1.76 ampere.

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The total distance traveled during the recorded time interval would be 5 meters and the displacement of the object would be 5 meters.

Displacement is a vector quantity. This indicates that it has both a direction and a magnitude and that it is visually represented as an arrow that points from the starting position to the ending position.

As given in the problem we have to find out the total distance and the displacement of the object from the graph shown in the problem,

The displacement of the object = Final position - Initial position

                                                     =6 - 1

                                                     = 5 meters

Thus, The total distance traveled during the recorded time interval would be 5 meters and the displacement of the object would be 5 meters.

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Relative to the movement of the building,  a mass damper on the roof of an earthquake resistant building move in the opposite direction.  The correct option is C.

Mass dampers absorbs the kinetic energy of the waves, converting them into the heat energy. This heat energy is dissipated to the hydraulic fluid.

The mass dampers used on roof of the buildings are called as the tuned mass dampers. They are also known as seismic dampers. When seismic wave strikes the building, it vibrates and sways. The kinetic energy of theses waves are absorbed by movement of the mass damper. The kinetic energy is converted to the heat energy which in turn is transmitted to the fluid.

Relative to the movement of the building, a mass damper on the roof of an earthquake resistant building move in the opposite direction.

Thus, the correct option is C.

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The total work is done by the weight lifter who lifts a mass m at constant speed to a height h in time t, is (mgh)/t.

The amount of energy which is required to lift a object at a height is known as the work done of lifting an object.

The work done to lift an object for a time period of t is given as,

[tex]W=\dfrac{mgh}{t}[/tex]

Here, (m) is the mass of the object, (g) is the acceleration due to gravity and (h) is the height.

It is given that a weight lifter lifts a mass m at constant speed to a height h in time t. Thus, the work done by the weight lifter is,

[tex]W=\dfrac{mgh}{t}[/tex]

Hence, the total work is done by the weight lifter who lifts a mass m at constant speed to a height h in time t, is (mgh)/t.

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Digital information can be sent through the vacuum if space, but the information must be converted to wave pulses. The correct option is B.

The digital information consists of data generated by the electrical systems. For examples, computers, screens, scientific calculators or any communication devices.

The electromagnetic waves do not require medium, So, they can travel through vacuum. So, Digital information can be sent through the vacuum or space.

Therefore, the correct option is B.

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Answer:

molecular structure

Explanation:

Many of the water's unique properties come from its molecular structure.

They have polar covalent bonds. They are closely bonded together due to hydrogen's positive charge and oxygen's negative charged atoms.

Due to this water has melting point of  0 degrees and boiling point of 100  degrees.

Answer:

molecular structure

Explanation:

Many of water's unique properties come from molecular structure.

This is because water is polar and has hydrogen bonds.

Answer:

The correct answer should be high amplitude : )

Explanation:

A high energy wave is characterized by a high amplitude, a low energy wave is characterized by a low amplitud

Answer:

d

Explanation:

dence means closely compacted in substance.

Answer: Isaac Newton

Explanation: Isaac Newton is popularly remembered as the man who saw an apple fall from a tree, and was inspired to invent the theory of gravity. If you have grappled with elementary physics then you know that he invented calculus and the three laws of motion upon which all of mechanics is based.

Answer:

4, 56

Explanation:

Hope this helped!

Answer:

4, 56

Ex................................................................................

Answer:

Argon

Explanation:

Argon, an inert gas, is the third most abundant gas in the atmosphere.

The approximate lateral area of the prism is determined as 831 square inches.

The lateral area of the hexagonal prism is calculated as follows;

LA = PH

where;

A = ¹/₂Pa

where;

346.41 = ¹/₂(10)P

346.41 = 5P

P = 346.41/5

P = 69.282 inches

LA = PH

LA = 69.282 x 12

LA = 831.38 in²

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Answer:

it's D on edge

Explanation:

Answer:

7872 J

Explanation:

PE=mgh

PE=34 * 9.81 * 23.6

PE = 7871.5 J ≈ 7872 J