How hot must a star get before it becomes a star?

Answers

Answer 1

Answer: 10 million degrees

Explanation:

Hope this helps :)


Related Questions

The two principal sources for the internal heating of terrestrial planets are accretion and radioactivity. radiation and convection. convection and radioactivity. convection and accretion. accretion and eruption.

Answers

The three principal sources of internal heat of terrestrial planets accretion and radioactivity. Option A is correct.

What is heat transfer?

The term "heat transfer" refers to the movement of heat. The flow of heat across a system's boundary is due to a temperature differential between the system and its surroundings.

The three principal sources of internal heat of terrestrial planets accretion and radioactivity.

Option A is correct.

To learn more about the heat transfer refer to the link;

https://brainly.com/question/13433948

#SPJ1

Why does Venus have the largest gravitational attraction to the sun compared to the other inner planets?Write your Claim below:

Answers

the force of gravity is proportional to the mass of an object and inversely proportional to the square of the distance between the objects.

what could you do to increase the final momentum of a golf ball?

Answers

Answer:

I would hit it as hard as you can with the club.

Explanation:

well one thing that I like to do is hit the golf ball as hard as possible with the club.

This is because for me, when I do that, I can normally get more momentum which means I also get a farther hit.

The brightness of a star decreases by the square of the distance. This is known as:.

Answers

Answer:

inverse-square law.

Explanation:

Since the area increases as the square of the distance, the brightness of the light must decrease as the inverse square of the distance.

hope this helped you!

sound travels faster in air if the air temperature is:

Answers

We need a bit more context to solve it lol

how are the magnetic domains of a magnet different from the domains of an ordinary piece of metal?

Answers

Answer:

In a magnet, the domains all point in the same direction; in an ordinary piece of metal, they're all jumbled up.

Explanation:

In a magnet, the domains all point toward the north pole; in an ordinary piece of metal, they all point to the south pole.



Side note:
Hope this helps!
Please give Brainliest!

Identify the products of this single-replacement reaction between sulfuric acid and aluminum. Then balance the equation

___H2SO4 + ___Al → ___ + ___

Answers

Answer/Solution

I hope it help.

Aluminium is far powerful and reactive than hydrogen so it will displace H_2 easily.

The reaction becomes

H_2SO_4+Al—»Al_2(SO_4)_3+H_2

Balanced reaction

3H_2SO_4+2Al—»Al_2(SO_4)_3+3H_2

the following are three frequencies of sound wave:
1800Hz,50Hz,10,000Hz.
a).which has the highest pitch and which has the lowest pitch?
b).what does Hz stands for?

Answers

Pitch is measured by frequency. The higher the frequency, the higher the pitch. “Hz” stands for hertz.

[tex] \large\textbf{Question } [/tex]~

[tex] \textsf{How many images will be formed when two plane } [/tex][tex] \textsf{mirrors are inclined on each other by an angle of 60° ?} [/tex]

[tex] \texttt{[ Need explanation ]} [/tex]​

Answers

[tex] \bold{\underline{\underline{\underbrace{Answer}}}} [/tex]

5 images

Explanation:

⠀⠀⠀⠀▦ Note

What is reflection of light?

The reflection of light is the phenomenon in which the rays of light falls on the object and change it's path.

How image is formed in plane mirror?

When you look at the mirror the image is formed behind the mirror and it is virtual. The light from the object which reaches the mirror gets reflected back.

⠀⠀⠀⠀Solution

The formula to find the no. of images between the 2 plane mirror at any angle θ.

[tex] \sf No. \: of \: images = \frac{360 \degree}{ \theta} - 1[/tex]

According to the question the plane mirror is inclined at 60° angle.

Substituting the required values.

[tex] \sf \large \frac{ \cancel{360} \small \: \: 6}{ \cancel{60}} - 1 \\ \\ \sf \large 6 - 1 \\ \\ \boxed{ \frak{ \implies 5} }[/tex]

The 2 plane mirror will form 5 images inclined at 60° angle.

Before you start your engine, __________ A. adjust the seat so you can reach all controls. B. make sure your car is in reverse or neutral gear before starting the engine. C. move your car before you have looked in front, behind and to the side for pedestrians and oncoming traffic. D. all of the above

Answers

Answer:

A. adjust the seat so you can reach all controls

------------------------------------------------------

This is so you can reach the gas petal, break petal, steering wheel, (and other things) easier so you won't have to lean forward and it makes it easier for when you're driving. Especially if you need to quickly press your breaks, you'll be able to do this a lot faster if you're closer to them than if you had to reach in order to do so.

I hope this helped, im not the best at explaining things lol

Show that the square of the period of revolution of a satellite is directly proportional to the cube of the orbital radius

Answers

I hope this helps, have a good day

Answer:

Explanation:

you are designing an airport for small planes. one kind of airplane that might use this airfield must reach a speed before takeoff of at least 27.8m/s and can accelerate at 2.00m/s a)if the runway is 150m long,can this airplane reach the required speed for take off?(in this case v=24.5 m/s) b) if not, what minimum length must the runway have(193m)

Answers

(a)The required speed for take off will be 24.49 m/sec.

(b)The minimum length must the runway have 193 m.

What is speed?

Speed is defined as the rate of change of the distance or the height attained. it is a time-based quantity. it is denoted by u for the initial speed while v for the final speed. its SI unit is m/sec.

(a)The required speed for take off will be 24.49 m/sec.

From the Newtons third equation of motion;

[tex]\rm v^2 = u^2+2as \\\\ v=0+2 \times 2 \times 150 \\\\ v=\sqrt{600}\\\\ v=24.49 \ m/sec[/tex]

Hence, the required speed for take off will be 24.49 m/sec.

(b)The minimum length must the runway have 193 m.

From the Newtons third equation of motion;

[tex]\rm v^2 = u^2+2as \\\\ (27.78)^2 = 0+2\times 2 s \\\\\ s=192.93 \ m[/tex]

Hence, the minimum length must the runway have 193 m.

To learn more about the speed, refer to the link;

https://brainly.com/question/7359669

#SPJ1

Can someone please answer this, ill give you brainliest Would be very appreciated.
A decrease in the ice caps causes a(n) (options decrease, increase) in the absorption of sunlight. This causes the global temperature to (options rise, fall) causing more ice caps to melt. As more ice caps melt, the temperature (options rises, falls). This is an example of a (options negative, positive) feedback loop.

Answers

Answer:

See below ~

Explanation:

A decrease in the ice caps causes a(n) increase in the absorption of sunlight. This cause the global temperature to rise causing more ice caps to melt. As more ice caps melt, the temperature rises. This is an example of a negative feedback loop.

A decrease in the ice caps causes a(n) increase in the absorption of sunlight. This causes the global temperature to rise causing more ice caps to melt. As more ice caps melt, the temperature rises. This is an example of a negative feedback loop.

The options are followed by

IncreaseRiserisesnegative

What is the voltage in a cirucit with a current of 3.0 amps and a resistance of 2.0 Ohms?

Answers

Hey there!

We know that ,

Voltage , V = Current(I) x Resistance (R)
From ohms law

We are given , current = 3 Amp , Resistance as 2 Amp

Now,

Voltage , V = 3 x 2 = [tex]\fbox{6}[/tex] Amp

Hope this helps :)
Have a good day:)

Answer:

6 v

Explanation:

V = IR

   = 3 A * 2 ohm = 6 v

Assuming we receive a signal from a civilization on the other side of our galaxy, a two-way conversation with them is ________.

Answers

2 times the diameter of the galaxy?

Station A
? Arrival Time for P Wave
minu
? Arrival Time for 5 Wave
? S-P Lag Time (secs)
? Distance from Epicenter (km)
30
Station B
TIME(econd
Station B
? Arrival Time for P Wave
wwwwwwww
? Arrival Time for S Wave
? S-P Lag Time (secs)
? Distance from Epicenter (km)
30
TIME (second)
-Buon C
Station C
? Arrival Time for P Wave
10
призми мили
? Arrival Time for S Wave
? S-P Lag Time (secs)
100
300
200
Distance from Epicenter
? Distance from Epicenter (km)
90
TIME (second)
NOW: Use your information above to determine which earthquake these seismographs represent. Check the correct box!
90
2
8
8
*PART THREE:
MYSTERY EARTHQUAKE
/Mark the start of the P Wave AND S Wave
Find the Lag Time
Use the Lag Time Graph to determine each
Stations' distance to the epicenter.
Based on the Distances, choose which map
depicts your earthquake!
Graph
Lag time of S-wave behind P-wave
(seconds)
100 0
8
Nasme
8

Answers

It is 37 because it is 378

Line segment gj is a diameter of circle l. angle k measures (4x 6)°. circle l is inscribed with triangle g j k. line segment g j is a diameter. line segments g k and k j are secants. angle k has a measure of (4 x 6) degrees. what is the value of x? 21 24 32 44

Answers

The value of x in the given right triangle in a semicircle is determined as 21.

What is the measure of a triangle in a semicircle?

The triangle in a semicircle is always a right angle triangle.

From the figure shown, we can say that the triangle  G J K is right triangle and m<K = 90degrees.

Given that m<K = 4x + 6, we will can use the following equation to find the value of x as shown:

4x + 6 = 90

4x = 90 - 6

4x = 84

x = 21

Thus, the value of x in the given right triangle in a semicircle is determined as 21.

Learn more about right angle here: https://brainly.com/question/64787

#SPJ4

Match each space mission with the correct milestone.

1. first animal in space
Apollo 11
2. first person in space
Sputnik 2
3. first person on the moon
Salyut
4. first man-made object in space
Vostok 1
5. first American in space
Sputnik 1
6. first space station
Freedom 7

Answers

Matching each space mission with the correct milestone

First animal in space ____________ Sputnik 2first person in space ____________  Vostok 1first person on the moon _________  Apollo 11first man-made object in space ____  Sputnik 1first American in space __________   Freedom 7 first space station ______________ Salyut

Meaning of space mission

A space mission is a mission that takes an individual, animal, a thing or material out of earth using a spaceship. This mission is always carried out with a desire to find out more about the galaxy earth is a member of and to learn about other planets.

In conclusion, the list above is the accurate Matching of each space mission with the correct milestone.

Learn more about Space mission: https://brainly.com/question/1298543

#SPJ1

Answer:

See attachment below, Hope it helps!

Fill in the blanks in the following paragraph to correctly identify phenomena that help provide evidence for the particle nature of light

Answers

An electron absorbs energy and emits electromagnetic radiation based on its transition.

What is an Electron?

This is defined as a sub-atomic particle which has a negative charge. It's involved in a chemical reaction which results in the formation of new substances.

Classical physics predicted that at a high enough temperature, ultraviolet light would be emitted. instead white light was emitted resulting in the ultraviolet radiation.

Read more about Electron here https://brainly.com/question/13998346

#SPJ1

A common practice for a person with a high fever is to take a bath in cool water. Assuming an 80 kg person is really ill and needs to cool down from 40°C to 37°C. What is the minimum amount of water needed for bathing assuming the water begins at room temperature, 25°C?

Answers

The minimum amount of water needed for bathing assuming the water begins at room temperature is 16.58kg.

What is thermal equilibrium?

When two bodies at different temperature come into contact, they share the heat through conduction. After some time, temperature of both becomes equal. This condition is said to be a body in thermal equilibrium with other.


Heat gained
by the water = heat lost by the ill person

m x Cw x ΔT = M x Cp x Δt

where, mass of person M = 80kg, Cp =specific heat of body =3470, specific heat of water Cw= 4186, then mass of water m will be

m x 4186 x (37-25) =- 80 x 3470 x (37-40)

m = 16.58kg

Thus, the mass of water needed is 16.58kg.

Learn more about thermal equilibrium.

https://brainly.com/question/14473445

#SPJ1

50 POINTS! I PROMISE BRAINLIEST IF PLEASEEE I NEED HELP!

Answers

The teacher can see William and Colin (only by reflection in the mirror)

And Colin can see the Headteacher and Raj (Only by reflection in the mirror)

For this it’s best to draw a straight line from one person to another through the mirror, to see how light will reflect. Also because of the wall in the middle, Carolyn, Mike, Terry, and Alison can’t see the mirror, so no one can see them. Then you have to use deductive reasoning to see who can see who with the mirror.

What type of nuclear reaction is shown in the diagram below? Write 2 - 3 sentences describing what happens in this reaction, where it happens, and how the energy released can be harnessed for use in homes.

Answers

This happens at Sun 's inside

The process is called fusion

This denotes to

When two hydrogen nucleus combine to form a single helium nucleus.

It releases lots of solar energy which can be used to create electricity

IF THE CAPACITOR HAS PLATE AREA OF 0.2m² AND DISTANCE BETWEEN THEM IS 0.04 m. What is the capacitance if dielectric constant is E=0.001 C/VM.
please i need it hurry if correct mark u brainliest.please hurry.​

Answers

[tex]\\ \rm\Rrightarrow C=\dfrac{\epsilon_oA}{d}[/tex]

[tex]\\ \rm\Rrightarrow C=\dfrac{0.2(0.001)}{0.04}[/tex]

[tex]\\ \rm\Rrightarrow C=\dfrac{0.0002}{0.04}[/tex]

[tex]\\ \rm\Rrightarrow C=0.005F[/tex]

[tex]\\ \rm\Rrightarrow C=5mF[/tex]

Explanation:

Given data :

Given data :Plate area = 0.2m^2

Given data :Plate area = 0.2m^2Distance between plates=0.04m

Given data :Plate area = 0.2m^2Distance between plates=0.04mdielectric constant = 0.001 C/vm

Given data :Plate area = 0.2m^2Distance between plates=0.04mdielectric constant = 0.001 C/vmRTF=Capacitance.

Given data :Plate area = 0.2m^2Distance between plates=0.04mdielectric constant = 0.001 C/vmRTF=Capacitance. Solution

Given data :Plate area = 0.2m^2Distance between plates=0.04mdielectric constant = 0.001 C/vmRTF=Capacitance. SolutionFirst formula for capacitance .

C= E A/ DC= 0.001 × 0.2 0.04

C = 0.0002 0.04

C = 0.005 FC = 5mF

help me, i don't know the answer ​

Answers

Explanation:

1)

A) Bb BB

B) 50%

2)

A) 50%

B) b. b

B. Bb. Bb

b. bb. bb

please help me with the question below the best answer with an explanation will get brainliest

Answers

Answer:

B

Explanation:

i hope this is correct.

A 12 v battery produces a current of 25 amps. What is the resistance
Please help me

Answers

Answer:

The resistance is 2 ohms

what is collinear and concurrent

Answers

Answer:

Collinear Force System: When the lines of action of all the forces of a system act along the same line, this force system is called collinear force system. Concurrent Force System: The forces when extended pass through a single point and the point is called point of concurrency.

What are the functions of the respiratory system?

Answers

Answer:

- Allows you to talk and to smell.

- Warms air to match your body temperature and moisturizes it to the humidity level your body needs.

- Delivers oxygen to the cells in your body.

- Removes waste gases, including carbon dioxide, from the body when you exhale.

- Protects your airways from harmful substances and irritants

calculate area triangle 15*20

Answers

Answer:

300

Explanation:

15 * 20 = 30


15 *

20 =

——

300

NEED HELP ASAP WILL GIVE 20 POINTS
Floods are natural disasters that can cause what other natural disaster?

tsunami

landslide

hurricane

erosion

Answers

B and D are the correct answers
Other Questions
Does ginger really stop stomach growling? Can someone please answer this, ill give you brainliest Would be very appreciated. y varies inversely as x and y = 11 when x = 8. Determine the value of y when x = 16225.51734 I need a quiet place to study. where______ (i should/ ought to i/ should i) go? The area of a rectangle is 6x^2+8x+2. The length of the rectangle is 3x+1. What is the width? John was born in September and Peter died in September. Rewrite begin: both.... Can swallowing a large amount of fingernails lead to a blockage PLS HELP QUICKLYData was collected at a pool. It showed that being older does not imply that a swimmer will stay for a shorter or longer amount of time. What is likely true?There is no correlation between age and length of stay.There is a correlation between age and length of stay. There may or may not be causation. Further studies would have to be done to determine this.There is a correlation between age and length of stay. However, there is no causation. This is because there is likely an increase in the length of stay with a decrease in age. Question 1 of 10 which of these is an example of a cause-and-effect argument made in diamond's article? a. the destruction of soil came from the 6 billion people who inhabited the globe. b. the maya kings supported their society in order to help it thrive. c. the oceans protected people from threats of invasion. d. the norse who settled iceland created limits on farming to combat soil erosion. Q2 - Distance and average speedUse the graph to work outthe following correct to 1 dp: Carlos____ estudiando en la bibliotheca mientras ya estaba en el concierto Benny is writing a program to design t-shirts. Which of the following correctly adds a new instance of style? newStyle = "Style" newStyle = Style() newStyle: Style() newStyle + Style() please discuss nationalism in your own country or community.(1) give an example of nationalism in your country.(2) explain the reasons why this happens.(3) discuss its positive and negative effects on your own country, community, or family.(4) Please respond to at least one student's post.Search entries or authorUnread Determine the molarity of a solution with a volume of 437. mL and 0.590 mol ofsolute dissolved.Answer: Is this true or false 100 points for who gets it right, HURRY I NEED THIS ASAP. You are a time traveling troubleshooter. We'll shoot her. While passing through the late middle ages, you happened to overhear the following conversation between a plowman a plowman and his master. Master:What sayest thou plowman? How do your work? Plowman:O, my Lord, I work very hard: I go out at Dwan, driving the cattle to the field, and I yoke the to the plow. Nor is the weather so bad in winter that I dare to stay at home, for fear of my Lord: but when the Oxen are yoked, and the the plow share and clutter attached to the plow, I must plow one whole field a day, or more. Master:Have you any assistant? Plowman:I have a boy to drive the oxen with a goad, and he too is hoarse with cold and shouting. Master:What more do you do in a day? Plowman:Certainly I do more, I must fill the Manger of the oxen with hay, and water them and carry out the dung. Master: Indeed this I'd a great labor. Plowman: Even so, it is great labor for I am not free. [Source: The Dialogue Between Master & Disciple on laborers] You decide to stop and help the poor plowman. How can he improve his job so he grows more crops and hopefully has more time to enjoy life? Remember, he can only use items that are available in his world. (Hint: There are three main action he can take.)Use the resources links to up with a plan of action. Use the following chart to organize your ideas. Resources:~Three Field Crop Rotation~Agriculture in Medieval Europe find the area use 22/7 for hello is anyone free to help me? A group of 18 students began raising money for a new community park. If each student reaches the goal of $980, how much will thegroup raise toward the park project?A $17,670B $17.640C $17,630 D$17,740 Balance the following reaction:C5H8 + _____ O2 ________ CO2. + _______ H2OHow much heat (q) will be released by water, H2O, if 34 grams of C5H8 reacts? Hint: This is a stoichiometry problem, before its a thermochemistry problem.