Can someone help me please? I’ve been trying to solve these questions all day.

Answer:

the reflection of the candle in the concave mirror formed upside down real image that is diminished

Answer: hope it helps you....

Answer:

Condensation is your answer

Explanation:

Condensation is the process of steam rising back into the atmosphere and the steam would be the evaporation "steam" hope this helped

Steam rising from the boiling water causes the whistle sound, which means that the convection part of the water cycle is present here.

The process of convection entails the movement of a heated fluid, such as air or water, in order to transfer heat.

Convection is caused by the fact that most fluids have a tendency to expand when heated, which causes them to become less dense and rise due to the increased buoyancy. The homogeneous heating of air in a heated room or water in a kettle is due to circulation generated by this effect: heated particles expand the area they move in by moving faster against each other, rise, and afterwards cool and close again, increasing density and causing a corresponding sinking.

In forced convection, fluid is carried using mechanisms other than those that result from differences in density with temperature. Examples of forced convection include the air movement by a fan or water by a pump.

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Answer:

Conduction, convection or radiation

Explanation:

Hope I could help. If you need more detail about one type, then coment below

Here is your Answer:-

Heat flow relies heavily on the concept of conduction. Basically, the transfer of the heat energy relies on free electron diffusion. In order for the heat to move from one object or material to another, adjacent atoms vibrate against each other. This is caused by the electrons moving from one atom to another.

The effects of gravity if we were dropped out in space is the feeling of weightlessness.

This is defined as the universal force of attraction acting between all matter.

In space, there is no ground to push against astronauts hence the feeling of weightlessness by the astronauts which was why it was chosen as the nost appropriate choice.

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[tex][Hello,BrainlyUser][/tex]

Answer:

False

Explanation:

Some places are more endowed than others.For example, some regions have lots of water (ocean and seas). While others have lots of minerals and forestlands. In addition, other have metallic rocks, wildlife, fossil fuels, and so on. Thus, we can conclude that Natural resources are not evenly distributes across the world.

[CloudBreeze]

Natural resources are evenly distributed across the world

O True

O False ✓

Answer:

1. The reason why a plane mirror forms a virtual image is because it doesn't let the light go through it, but it reflects the light, so if you go behind the plane mirror, then you won't see the rays of light since it's not letting the rays of light go behind it.

2. The image cannot be projected onto a screen also.

3. Also, the Rays of light never meet at a focus point, so hence, this is why the plane mirror forms a virtual image.

Thanks!

Answer:

becaise the light does not actually pass through the image

Answer:

yes, radio waves and x-rays are type of light.

1. The 2 cars will repel because both are S. Note: like poles repel

2. Magnetic force is being exerted between the 2 magnets

they have oscillating electric and magnetic fields

Answer:

It is Force

Explanation:

A Force is a push or pull upon an object resulting from the objects interaction with another object.

[tex]\tt \dfrac{P_1V_1}{T_1}=\dfrac{P_2V_2}{T_2}\\\\V_2=\dfrac{P_1V_1T_2}{P_2T_1}=\dfrac{P_1V_12T_1}{2P_1T_1}=V_1[/tex]

Answer:

pacific and Australian

Explanation:

a covergent boundary is when to plates move towards eachother and the arrows show that the arrows are facing each other

Answer:

Pacific and Australian

Explanation:

Convergent boundaries are where two plates come together. Either tall mountains are formed on land or deep trenches in the ocean. There are deep ocean trenches where the Pacific and Australian plate converge.

Answer:

A.) Hot to cold.

Explanation:

I took the quiz on Edge, 2022.

(See the attachment below.)

Hope this helped! <3

Based on scientific information, the direction that heat generally flow from is: A. hot to cold.

Heat is also known as thermal energy and it refers to a form of energy that is only transferred from an object to another due to a difference in temperature.

During the process of heat conduction, heat would only be transferred between objects that are having different levels of temperature and objects that are directly in contact with one another.

In conclusion, heat is generally transferred from a hot object to a cold object as a result of their varying temperature.

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The velocity of the wave having a frequency of 458 Hz and a wavelength of 0.74 m is 338.92 m/s

The velocity of a wave is related to its frequency and wavelength according to the following equation:

Velocity (v) = wavelength (λ) × frequency (f)

v = λf

v = λf

v = 0.74 × 458

v = 338.92 m/s

Thus, the velocity of the wave is 338.92 m/s

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The normal force of the ground on the skater depends on the skater's weight.

This is the upward force on an object usually exerted by the ground due to the weight of the object acting downwards.

The net vertical force on the skater is zero.

W - Fₙ = 0

W = Fₙ

where;

The normal force of the skater is equal to the weight of the skater acting downwards.

Thus, the normal force of the ground on the skater depends on the skater's weight.

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Explanation:

African and south American plate is correct

Answer:

Light gathering power is related to the area of the lens aperature:

Aa / Ab = (15 / 5)^2 = 9       since the area of an aperature is  proportional to the square of the radius

Answer:

Zeros that follow non-zero numbers and are also to the right of a decimal point are significant.

Explanation:

For example:

0.300 has 3 significant figures.

5.400 has 4 significant figures.

Answer:

1500

Explanation:

because it takes 1 calorie to raise one gram of water to one degree Celsius.

Answer:

In energy terms, electrical potential energy in the battery is converted into kinetic energy of moving electrons.

Explanation:

Answer:

v = 20 m/s

Explanation:

Let's use v = u + at for uniform acceleration.

v = finaly velocity

u = initial velocity

a = acceleration

t = time

Since we start from rest, our initial velocity is zero.

[tex]v = 0 + 4(5)[/tex]

[tex]v = 20 m/s[/tex]

Answer:

As a result, if the field lines are close together (that is, the field line density is greater), this indicates that the magnitude of the field is large at that point. If the field lines are far apart at the cross-section, this indicates the magnitude of the field is small. (Figure) shows the idea.

Explanation:

kinetic energy of the ball of mass 50 g and velocity of 300m/s is 22.5 J. The work done need to stop the ball is equivalent to its kinetic energy. Thus, 22.5 J of work done is needed.

The kinetic energy of an object is the energy generated by virtue of its motion. It is related to its mass and velocity by the expression written below:

Ke = 1/2 m v²

Thus, kinetic energy increases with mas and velocity.

Given that, mass of the ball = 50 g = 0.05 kg

velocity of  the ball = 30 m/s

then Ke = 1/2  × 0.05 kg × 30 m/s × 30 m/s = 22.5 J.

The energy of the body when it is moving is in the form of kinetic energy. This energy of the body is equivalent to the work done on the body to stope it. Therefore, work done on the ball needed to stop it is 22.5  J.

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