What is the speed of light in a vacuum?

300,000 km/sec
100,000 km/sec
500,000 km/sec
250,000 km/sec

Answers

Answer 1

Answer:

The first one is the right answer.

Answer 2

Answer:

300,000 km/sec

Explanation:  The first one.


Related Questions

struggling on this, really need help

Answers

Answer:

Guessing you just need help with the definition but if it's the question I can still help you.

Answer:

i would like to help but i cant see the image sorry

Explanation:

Study the image of the moving car.

While traveling downhill, the car’s potential is ________ and kinetic energy is _______.

- Increasing
- Decreasing
- Staying the same

Answers

Answer:

While traveling downhill, the car’s potential is increasing and kinetic energy is decreasing

Explanation:

hope this helps!

While traveling downhill, the car’s potential is increasing and kinetic energy is decreasing

Place the locations of a watermelon in order from MOST to LEAST potential energy.

- On a roof
- Above a refrigerator
- On the ground
- Aboard a flying airplane
- On top of a table

Answers

Answer:

Aboard a flying airplane

On a roof

Above a refrigerator

On top of a table

On the ground

Explanation:

The higher an object is the more gravity wants to pull it down

Answer:

Flying airplane, on a roof, above a refridgerator, on top of a table, on the ground

Explanation:

•Accordingto the graph, how many dark-colored moths existed in year 8?

Answers

Answer: Approximately 600

So your answer is C.

Explanation:

look at the diagram of the bicycle chain and the cogs above. Explain in detail why you exert a force on the pedals, but you still obey the law of conservation of energy.

Answers

Because the mechanics of the bikes chain and cogs are made to help you exert force not be where you don’t have to use any force like a pillow system lightens the load but dose not eliminate it

A group of students is tasked with developing a checklist for determining whether a material undergoes a chemical or physical change. The students make a preliminary list of properties that they can test and classify each as either a chemical or physical property.

Chemical Property Physical Property
bubbles when treated with acid color
burns when placed in a candle flame odor
density hardness
boiling point mass
dissolves in water melting point
Several other students in the class claim that the checklist is incorrect.

What change should the group make to the checklist to correct their mistake?


Boiling point and density should be moved to the physical property side of the list, and color and odor should be moved to the chemical property side of the list.


Boiling point and density should be moved to the physical property side of the list, and hardness and mass should be moved to the chemical property side of the list.

Dissolves in water and boiling point should be moved to the physical property side of the list, and odor and mass should be moved to the chemical property side of the list.

Density and boiling point should be moved to the physical property side of the list.

please help

Answers

Answer:

that's alot better explain it

If a forest contained mostly light-colored trees, which type of moth would you expect to be most common?

Answers

Answer:

Light moths because they want to blend in more.

Explanation:

because i know :0

Answer:

Light colored moths

Explanation:

The moths have to blend in with the environment. That's because they still have predators in the night.

Compare an Earth year to a cosmic year. How many Earth years are in one cosmic year? What makes it that much longer?

no links
pls hurry its a exam!

Answers

Answer:

I think it would take 220, 230 million earth years to match a cosmic year.

It would be 230 million years because of the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy.

what happens to suns energy while it travels to earth's atmosphere

A: Some of it is destroyed in Earth's atmosphere.
B: It is completely trapped by Earth's surface.
C: It is all reflected back into space.
D: Some of it reaches Earth's surface.

Answers

Answer:

D: Some of it reaches Earth's surface

Explanation:

Hope this helps and have a good day! Apologies if it's wrong. <3

D since we have wonderful UV rays.

Study the roller coaster diagram. Match the labels to the correct location on the roller coaster.

A:
B:
C:
D:

- Greatest Potential Energy
- Greatest Kinetic Energy
- Increasing Kinetic Energy
- Increasing Potential Energy

Answers

Answer:

A- Greatest Kinetic Energy

B- Increasing Potential Energy

C- Increasing Kinetic Energy

D- Greatest Potential Energy

Explanation:

hope this is right.

Answer:

A: Greatest Potential Energy B: Increasing Potential Energy C: Greatest Kinetic Energy D: Increasing Kinetic Energy

Explanation:

Hope this helps and have a good day!

In this dark-colored forest, you started with 50% light moths and 50% dark moths. At the end of your simulation, was there a higher percentage of light or dark moths?

Answers

dark moths because they use their color to blend in with the trees to hide from birds

ME Project- Decomposer
Decomposer: (breaks down dead matter)
17. The common name of my organism is:​

Answers

Answer:

Explanation:

Decomposer.

A pumpkin with a mass of 2.5 kg was pushed toward a wall. The average acceleration of the pumpkin was 10.7 m/s2.

How much force was applied to the pumpkin to make it move?

A. 4.28 N

B. 4.28 m/s2

C. 26.75 m/s2

D. 26.75 N

Answers

F=m.a <=> F= 2.5 x 10.7
<=> F= 26.75 N so your Answer is :D
force = mass x acceleration = 2.5 x 10.7 = 26.75

Metals are malleable which means they can ______________ break easily conduct electricity be melted into a liquid form be hammered or pressed permanently out of shape without breaking or cracking

Answers

Answer:

melt?

Explanation:

shhh

Answer:

can be formed into other shapes, such as thin sheets or foils

Explanation:

Producer: (plants) (produces its own food) 1. The common name of my organism is: ______________

2. This producer gets energy from sunlight which allows the plant to make _____________ which the cells use later for energy in cellular respiration at night.​

Answers

1. Root
2. Food


This is the answer hope u like it and plz mark me as brainlyist.

Answer: 1. Plant

2. Glucose

Explanation:

Taylor created the following table to compare the three types of rocks. What correction needs to be made to the information in the table?

Examples of igneous rock are sandstone and limestone and examples of sedimentary rock are granite and basalt.

Examples of igneous rock are granite and marble and examples of metamorphic rock and basalt and gneiss.

Metamorphic rocks are made from the cooling and hardening of sediment and igneous rock is made from high heat and pressure causing chemical change.

Igneous rocks are the cooling and hardening of magma or lava and sedimentary rock is made of sediment cemented together.

Answers

Igneous rocks are the cooling and hardening of magma or lava and sedimentary rock is made of sediment cemented together.

Igneous rocks are formed by cooling and hardening of sediment. The examples of igneous rocks include granite and basalt. Metamorphic rocks are formed by the treatment of high heat and pressure. The examples of metamorphic rocks are marble and gneiss.

What are Igneous rocks?

Igneous rock or magmatic rock, is one of the three main rock types, and the other rocks being sedimentary and metamorphic rocks. Igneous rock is formed through the cooling and solidification of the magma or lava in the volcano. The magma can be derived from partial melts of existing rocks in either a planet's mantle or the crust.

Metamorphic rock are formed from other type of rocks, however they have been substantially changed from their original igneous, sedimentary, or earlier metamorphic forms. Metamorphic rocks form when the rocks are subjected to high temperature, high pressure, hot mineral-rich fluids or, more commonly, some of the combination of these factors.

Learn more about Rocks here:

https://brainly.com/question/19930528

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According to the graph, how many light-colored moths existed in year 2?

Answers

B is the answer

Explanation: look at the graph

Mike created the following table for the layers of the Earth. What needs to be corrected?

The mantle is made of metal and the outer core is made of rock.
The outer core is liquid and the inner core is solid.
The crust is 2,900 km and the mantle averages 45 km.
The crust is semi-solid and the mantle is solid.

Answers

Answer:

The last option.

Explanation:

The crust is solid and the mantle is semi-solid, it's the wrong way around.

Describe all the ways that Newton’s Laws can apply in the game of football (Remember to talk about ALL THREE LAWS).

no links please ! :(

Answers

first law: an o-lineman standing on the line of scrimmage gets tackled to the ground
second law: a wide receiver sprinting down the line to catch a hail mary pass
third law: a d-lineman and o-lineman pushing each other back and forth (for o) to keep the d-lineman away from his quarterback
When the QB puts forward force on the ball and then lets go, the ball wants to keep moving forward. The more force he puts on the ball the more inertia it will have. And the more mass the football has the more force has to be put on it. :)

Explain each of Newton’s three laws :

a. Law of Inertia
b. Law of Force and Acceleration
c. Law of Action/Reaction

no links please !

Answers

B I am in 7th and I just learned about it
a. an object at rest will stay at rest unless acted upon by an unbalanced force
b. the acceleration of an object depends on the mass of the object and the force applied
c. for every action there is an equal opposite reaction

I need help on question D And you will have to look at the answer from question C !
I need answer ASAP PLZ! First one to answer will get a brainliest!!

Answers

The answer to C is 10/1 or 10.

Explanation:

You're supposed to add 3/60 and 7/60 not subtract since she was speeding up not slowing down.

Answer:

Use the website Calculator soup I'm pretty sure you can plug in the numbers and get your answer!

Explanation:

If it does work could I get my first brainliest?

Describe a situation where you can be traveling at a low speed but have an extremely high velocity

Answers

Answer:

Cruising at 35,000 feet in an airliner, straight toward the east,

at 500 miles per hour

Explanation:

Answer:

Explanation:

Traveling in a plane.

50 points for 5 questions p.s if u get brainliest u get 50 moe and then u have 100 SO YAAAAAAY

1.What can federal appeals courts do?



Choose all answers that are correct.


Overturn the decisions of the district courts.


Remand cases back to lower courts.


Uphold the decisions of the lower courts.


Recommend cases be heard by the Supreme Court.
2.Why do the losing parties in civil trials and convicted criminals seek to involve the federal appeals courts in their cases?


because they feel that laws were incorrectly interpreted or applied in their cases


in order to force the winning side or the prosecution to present its evidence again


because they believe that their cases should be heard by magistrate judges


so that new appellate juries will hear the facts of their cases
3.How are federal judges selected?


Candidates are nominated and appointed by the Supreme Court unless the president uses the veto.


Candidates are nominated by Congress and voted upon by citizens over the age of 18 in federal elections.


Candidates are nominated by current federal judges and appointed by Congress if the House approves by a two-thirds majority vote.


Candidates are nominated and appointed by the president if the Senate approves by a majority vote.
4.What are two roles of magistrate judges?



Choose exactly two answers that are correct.


to hear preliminary evidence and decide if a case should be brought to trial


to appoint the U.S. attorney(s) for their districts


to issue court orders, such as search warrants


to deliver rulings on major cases involving federal law
5.What is the main duty of the United States Supreme Court?


to sentence or parole convicted criminals


to appoint judges to lower federal courts


to hear and rule on cases


to ratify or veto new laws thx UwU

Answers

1.B C and D 2. A 3. C 4. C and A 5. Is C

if you dig a hole through the earth, from one hemisphere to the other, and drop a tennis ball into it, would it get stuck at the center, since thats where gravity's at, or would it pop up out the other side??

Answers

Answer:

Depending on which hemisphere it is, like western to eastern, It would most likely get stuck at the center. You would also have to put more things into thought like acceleration, velocity, and speed.

BUT since the question asked "would it pop out the other side?", I'm assuming it's talking about northern to southern hemisphere. so in that case it would pop out the other side since gravity makes things go downwards.

Answer:

We drop a tennis ball into the hole. The stone is pulled down towards the center of the earth. It falls all the way to the middle of the earth once it reaches the middle, theres no more pull of gravity. ... It would go up a ways, then (due to the pull of gravity) fall back in the other direction, back towards the center

Does a tree falling over in a forest make a sound if there is no receptor (human or animal ear) to hear it? In your answer, describe why you think it does or does not. Describe how you would test your hypothesis. Use relevant terms.

Answers

It does make sound, just because there are no receptors does not mean that an object does not make sound. For example, whales communicate ona frequency higher then our ears can hear, however, we know that they still make sound. Another example is thunder; If you were far away to see thunder but not hear it, does it make sound? It does. Objects make sound by vibrating, there is no connection to sound and the presence of a receptor.

Yes. A tree falling over in a forest makes a sound even there is no receptor (human or animal ear) to hear it.

What is sound?

In terms of physics, sound is a vibration that travels through a transmission medium like a gas, liquid, or solid as an acoustic wave. Sound is the reception of these waves and the brain's perception of them in terms of human physiology and psychology. Only acoustic waves with frequencies between roughly 20 Hz and 20 kHz, or the audio frequency range, can cause a human to have an auditory sensation.

If sound is defined as air vibrations, then the falling tree most definitely creates sound because it causes air vibrations. A recorder with a microphone could undoubtedly capture those vibrations as sound even if no one or any other animal was around to hear it.

Learn more about sound here:

https://brainly.com/question/14595927

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Describe the transfer of energy that occurs when you drop a book on the floor. Please include all possible forms.

Answers

Answer: Potential energy into Kinetic energy and heat energy.

Explanation: As every object (book) at height possess potential energy when the book is dropped down its energy is converted to kinetic energy and some amount of it is also dissipated as heat energy due to friction of air.

A crate is pushed up each of the two ramps shown in the diagram below. Based on the concept that simple machines make work easier, and assuming that both ramps are frictionless, which statement is true? Question 4 options: Ramp B requires less force than ramp A. Ramp A requires less force than ramp B. Ramp B raises the crate higher than ramp A. Ramp A raises the crate higher than ramp B.

Answers

Answer:

ramp B requires less than A

50 points for 5 questions p.s if u get brainliest u get 50 moe and then u have 100 SO YAAAAAAY p.s dont answer the new one i for got to add the points
1.What can federal appeals courts do?



Choose all answers that are correct.


Overturn the decisions of the district courts.


Remand cases back to lower courts.


Uphold the decisions of the lower courts.


Recommend cases be heard by the Supreme Court.
2.Why do the losing parties in civil trials and convicted criminals seek to involve the federal appeals courts in their cases?


because they feel that laws were incorrectly interpreted or applied in their cases


in order to force the winning side or the prosecution to present its evidence again


because they believe that their cases should be heard by magistrate judges


so that new appellate juries will hear the facts of their cases
3.How are federal judges selected?


Candidates are nominated and appointed by the Supreme Court unless the president uses the veto.


Candidates are nominated by Congress and voted upon by citizens over the age of 18 in federal elections.


Candidates are nominated by current federal judges and appointed by Congress if the House approves by a two-thirds majority vote.


Candidates are nominated and appointed by the president if the Senate approves by a majority vote.
4.What are two roles of magistrate judges?



Choose exactly two answers that are correct.


to hear preliminary evidence and decide if a case should be brought to trial


to appoint the U.S. attorney(s) for their districts


to issue court orders, such as search warrants


to deliver rulings on major cases involving federal law
5.What is the main duty of the United States Supreme Court?


to sentence or parole convicted criminals


to appoint judges to lower federal courts


to hear and rule on cases


to ratify or veto new laws thx UwU p.s dont answer the new one i for got to add the points

Answers

Answer:

1. c

2. b

3. d

4. a&c

5. d

hope this helps

Plate Tectonics Lab Report The outcome variable (dependent variable): the outcome/dependant variable is Test variable (independent variable): the test/independent variable is

Answers

Answer:Test variable (independent variable): the land of the 6 locations

Outcome variable (dependent variable): the location

Which of these actions requires KINETIC Energy? Choose all of the correct answers.

- Sleeping
- Swimming
- Turning a doorknob
- Listening to music
- Hitting a tennis ball
- Waiting at a red light

Answers

Answer:

turning a doorknob

Explanation:

it will snap back once you release it.

Other Questions
Question 3If f(x) = -2 and g(x)= 3x2 +2x - 6, find (+g)(x).A. 3x+3x+4B. 3x2 +x-8C. X2 +12D. 3x2 + x - 3 Which are national us holidays? check all that apply. What theme in the novel does Melville allude to with his use of the word vindictive to describe the movement of the ship in this excerpt?inequalityrebirthignorancerevenge what does the author mean when she describes easter island as ""a destination with solitude built into its dna""? Find 51% of the number 93. Allen and Charlotte married in 2020. They filed a joint return for the year, but the IRS offset their refund because Allen owes past-due child support for his two children from a previous marriage. Charlotte is not legally responsible for the children's support, and she would like to receive her portion of their tax refund. As the couple's tax preparer, what advice would you offer? Rsound answer to two decimal places80.75757575757575757575 HELP PLS!! Adding and subtracting vectors in component form Translate the sentence into an inequality.The sum of a number times 2 and 21 is at least 22.Use the variable b for the unknown number. For the Double Object Pronoun sentence using the following hint: {IOP} + {DOP} + VERB1. El padre / dividir / la ensalada / para m.El padre _____ _____ ______.2. Las madres / pedir / los camarones / para ti.Las madres ______ _____ ____.3. Mi maestra y yo / servir / las langostas para nosotros. Mi maestra y yo ________ ________ ______. HELP!!!! PLEASE NO LINK SCAM THOWhich graph shows all natural numbers less than 3?OA)-4 -3 -2 -1+4o123++OB) -4 -3 -2 -1+2 3o14++OC) -4 -3 -2 -1+ +2 3 4o1OD)-4 -3 -2 -1+ ++0 1 2 3 4 which of the following suggestions would be most beneficial for a reader in order to gain a better understanding of the information presented in this excerpt? skim encyclopedias to learn star names and locations. review scientific journals explaining the various types of clouds. read a variety of sources about the formation of black holes. search web pages focused on personal encounters with black holes. What is the slope of this line?Enter your answer as a whole number or a fraction in simplest form in the box.URGENT NEED HELP ASAP help I suck at math.. How do many types of cells, like bacteria, reproduce? 0.2343217 Is it rational or irrational how long does immunity last after monoclonal antibodies Since 1976, the National Association of Legal Assistants (NALA) has administered aA)rigorous ethics exam.B)two-day comprehensive exam.C)temporary certificate that is good until the candidate completes a bachelor's degree. What must organisms be adapted to so that they can live in an estuary?both low and medium salt concentrationsmedium and high salt concentrationshigh salt concentrationslow salt concentrations Use details from both passages to explain how both writers use examples of romantic love in literature. Use ACE.