Dark cooler areas on the sun's surface are called what? (Prominences, solar flares, coronas, or sunspot)

Answers

Answer 1

Answer: Darker, cooler areas on the sun's surface are called sunspots.
Hope that helped =)

Answer 2

Answer: The answer in sunspot.

Related Questions

At sea level, water boils at 100 degrees celcius and methane boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
I need help on #9 (it's side ways sorry...)
You adjust the temperature so that a sound wave travels more quickly through the air. You increase the temperature from 30 degrees c to 36 degrees c. what is the velocity if the sound wave at this new temperature?
A police cruiser is travelling at 24 m/s and slows down at a rate of 0.65 m/s2 until it stops. The distance traveled by the cop while slowing down is closest to:A.0.44 km. B.0.38 km. C.0.42 km. D.0.36 km. E.4.0 km.
Compare and contrast the general characteristics of a gas giant planet and one of the inner planets (such as Mercury, Earth, Venus or Mars)? Give two differences and one similarity.

What type of wave is shown below?

Answers

A Longitudinal wave has rarefactions and compressions. Therefore, the wave shown above is a longitudinal wave.

The answer would be a longitudinal wave.

How is heat transferred through empty space

Answers

I'm earth the o zone layer is keeping it warm but not hot or cold and the heat transferred by heat waves that is why we use sunscreen because during summer they can hurt us.

A ball is kicked from the top of a building with a velocity of 50 m/s and lands 165 m away from the base of the building.What is the height of the building?

Answers

The height of the building is 53.4 m (projectile motion)

Explanation:

The motion of the ball is a projectile motion, so it follows a parabolic path which consists of two independent motions:

- A uniform motion (constant velocity) along the horizontal direction

- An accelerated motion with constant acceleration (acceleration of gravity) in the vertical direction

First of all, we consider the horizontal motion, which is a uniform motion at constant speed. The equation that gives the horizontal distance travelled is:

$d=v_x t$

where:

$v_x = 50 m/s$ is the horizontal velocity of the ball, which is constant since there are no forces in this direction

d = 165 m is the horizontal distance travelled by the ball

Solving for t, we find the time of flight:

$t=(d)/(v_x)=(165)/(50)=3.3 s$

Now we analyze the vertical motion: it is an accelerated motion, we can use the suvat equation

$s=ut+(1)/(2)at^2$

where

s is the vertical displacement, which is the height of the building

u = 0 is the initial vertical velocity of the ball

t = 3.3 s is the time of flight

$a=g=9.8 m/s^2$ is the acceleration of gravity

Solving for s, we find the height of the building:

$s=0+(1)/(2)(9.8)(3.3)^2=53.4 m$

Learn more about projectile motion here:

brainly.com/question/8751410

#LearnwithBrainly

What is the weight of a text book whose mass is 2.4 kg measured on the moon? The gravitational acceleration on the moon is approximately 1/6 that on the earth.

Answers

Answer:

2.4 kg

1 kg = 10N

2.4 kg = ?

2.4 kg = 24N

On the moon 1/6th

1/6 * 24 = 4N

therefore weight of the textbook on the moon would be 4N

Can u help me on this question plz

Answers

Ah hah ! The two questions on this page are checking to see
if you understand what "net force" means.

Remember that "net force" means the result of adding up the
strength and direction of a group of separate forces.

Also remember that if the net force is not zero, then the object
accelerates in the direction of the net force.

-- Forces 'B' and 'D' both act horizontally on the airplane.
Force-'D' tries to pull it forward, and force-'B' tries to pull it
backward. The airplane is moving forward faster and faster.
This tells us that the net horizontal force on it must point forward.
So force-D must be stronger than force-B.

-- Forces 'A' and 'C' both act vertically on the airplane.
Force-A tries to pull it up, and force-C tries to pull it down.
At the moment of take-off, the airplane lifts off from the ground
and rises up and up. This tells us that the net vertical force on it
must point up. So force-A must be stronger than force-C.

I can't really see the answer, try underlining it or go over it in pen

need help with the ones that have numbers on the sides.#1 #2 #3 #4 please help.i will pick fair brainliest answer

Answers

1. Some stars are bigger than others, some are different colors or temperatures. It all really depends on the age of the star.

2. Four differences could be:

1) Outer planets are much farther away from the sun, so they get less sunlight than inner planets.
2) Also, the outer planets are all gas giants (excluding Pluto), while inner planets are all rocky planets.
3) Inner planets also have a much higher density than outer planets.
4) Outer planets also tend to have many more moons than inner planets (such as Jupiter, with 63 known moons).

3. The barrier that separates the inner from the outer planets is a ring of space rocks known as the Asteroid Belt.

A comet is a ball of ice that orbits a star in a wide elliptical orbit.
An asteroid is a large rocky body that orbits a star, and could be anywhere in size from 600 miles across to tiny dust particles.
A meteoroid is a small object floating through space freely (not necessarily bound in any orbit) that is usually made of a rocky or metallic material.

4. Day and night are caused by the earth's rotation on its axis. Night is relative to the observer, and occurs when the observer is on the side opposite that on which the sun is shining.

Hope that helped =)

1.Difrences are color,size and the amount of light it gives off 2. 1.inner planets are warmer 2.inner planets are closer to the sun 3.Outer planets are balls of gass 4.outer planets bigger 3.an astroid belt A comet is a tail of gas and dust particles An asteroid is a large rock A meteoroid is lumps of rocks that orbit the sun 4.The rotation of the earth on its axis

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