Eclipses occur because the Moon?
A
does not create its own light and only reflects light from the Sun.
o
does not create its own light and only reflects the light from Earth.
o
с
creates its own light, which is blocked by the Sun during an eclipse.
creates its own light, which is blocked by Earth during an eclipse.

Answers

Answer 1
I’m just here typing don’t mind me
Answer 2

Answer:

с

creates its own light, which is blocked by the Sun during an eclipse.

Explanation:

might not be right but its what i remember


Related Questions

How is ice more reflective than water??​

Answers

Answer:

Because it has more texture and is solid. Its like glass

Explanation:

Answer:

Why is ice more reflective (has higher albedo) than liquid water? They're both the same substance (water). Is something quantum mechanical involved?

Explanation:

In fact ice is slightly less reflective than water. The reflectivity is related to the refractive index (in a rather complicated way) and the refractive index of ice is 1.31 while the refractive index of water is 1.33. The slightly lower refractive index of ice will cause a slightly lower reflectivity. In both cases the reflectivity is about 0.05 i.e. at an air/water or air/ice surface about 5% of the light is reflected.

“While the big bang theory is the most popular modern theory of how the universe formed, it is incomplete.” Which question does the big bang theory leave unanswered?

Answers

Where animals and humans could have come from that

How Can the human ear detect the sound

Answers

Answer:

Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear.

Explanation:

The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes.

A block slides down a rough ramp with a 30-degree incline as shown.

Which diagram represents the forces acting on the block?

Answers

Answer:

Image 4 ?

Explanation:

Answer:

Image 4

Explanation:

Took Test

Which answer choice correctly describes the ball's kinetic and potential energy? Group of answer choices The ball has more potential energy at position X than at position Z. The ball has more kinetic energy at position Y than at position W. The potential energy and kinetic energy of the ball are equal at position X. The potential energy and kinetic energy of the ball are greatest at position Z.

Answers

Answer:the ball has more kinetic energy at position Y than position X

Answer: G. The ball has more KE at position Y than at position W.

Explanation:

I’m just adding the picture here if you’re not sure if the question is the one you’re looking for. I take not credit for the answer, im just adding the picture.

Five mL of ethanol has a mass of 3.9 g, and 5.0 mL of benzene has a mass of 44 g. Which liquid is denser?

Answers

Answer:

Benzene

Explanation:

A denser substance will have a higher or larger mass in the same volume. Therfore benzene will be a denser liquid as the mass is bigger in the same volume compared to ethonal.

You can also work this out by using the density formula which is mass of the substance over the unit of volume.  

The photo shows dew drops that formed on the grass when temperatures
cooled during the night. Which change of state happened to form the dew?
A. Liquid to gas
B. Gas to liquid
C. Solid to gas
D. Gas to solid

Answers

Gas to a liquid
This is because of condensation
gas to liquid is the answer

A 5 Kg mass has an initial speed of 5m/s. After 3 sec, it has come to a speed of 70 m/s.

a. What is the acceleration of the mass?
b. What net force is acting on the mass during those 3 seconds?

Answers

Answer:

a

 [tex]a = 21.7 \ m/s^2[/tex]

b

[tex]F = 108.5 \ N[/tex]  

Explanation:

From the question we told that

   The mass is  m  =  5 kg

    The initial speed [tex]u = 5 m/s[/tex]

    The time taken to attain [tex]v = 70 \ m/s[/tex] is  t =  3 s

   

Generally from kinematic equation we have that

     [tex]v = u + at[/tex]

=> [tex]70 = 5 + a * 3[/tex]

=>  [tex]a = 21.7 \ m/s^2[/tex]

Generally  the force acting is mathematically represented

        [tex]F = m * a[/tex]

=>      [tex]F = 5 * 21.7[/tex]  

=>      [tex]F = 108.5 \ N[/tex]  

             

   

a car ends up at x = -245 m after a displacement of -103 m. what was its initial position?

Answers

Answer:

-142m

Explanation:

To find the initial position of the car, we can add the displacement.

-245 + 103 = -142

Best of Luck!

Which statements describe why organisms are classified? Check all that apply.

Answers

Answer:

what are the options for me

A water skier is towing by motorboat at a constant velocity of magnitude 15 km /h. The boat speed up, and after a short interval the skier is towed at a new constant velocity of magnitude 20 km/h. What is the net force on the skier when she is moving at 15 km/h? And at 20 km/h?

Answers

Answer:

The skier is experimenting a net force of 0 newtons in both cases. ([tex]v_{1} = 15\,\frac{km}{h}[/tex], [tex]v_{2} = 20\,\frac{km}{h}[/tex])

Explanation:

According to Newton's First Law, an object is in equilibrium when it is either at rest or moving at constant velocity, which means that net force is equal to 0 newtons.

Therefore, the skier is experimenting a net force of 0 newtons in both cases.

A motorbike reaches a speed of 20 m/s over 60m, whilst
accelerating at 3m/s?, determine the bike's initial speed.

Answers

Initial speed = 2√10 m/s

Further explanation  

Linear motion consists of 2: constant velocity motion with constant velocity and uniformly accelerated motion with constant acceleration  

An equation of uniformly accelerated motion  

V = vo + at  

Vt² = vo² + 2a (x-xo)  

x = distance on t  

vo / vi = initial speed  

vt / vf = speed on t / final speed  

a = acceleration  

vf=20 m/s

d = 60 m

a = 3 m/s²

[tex]\tt vf^2=vi^2+2.ad\\\\20^2=vi^2+2\times 3\times 60\\\\400=vi^2+360\\\\40=vi^2\\\\vi=\sqrt{40}=2\sqrt{10}~m/s[/tex]

4. Hijackers are taking over a plane, They tell the pilot to get to Spain as fast as possible. The plane goes from 900
km/hr (beginning speed) to 1140 km/hr (final speed) in just 6 seconds. What is the acceleration of the plane?

Answers

The acceleration is about 1457, because of the wind turbines and the way it’s going

Someone please help me!

Answers

Answer:

a

Explanation:

What made the Fertile Crescent a good place for growing crops

Answers

Answer:

The Fertile Crescent was good for farming because of the fertility of its land, a result of irrigation from numerous large rivers in the region.

Explanation:

what are two different examples of positive exeleration

Answers

Answer:Accelerating your car to get up to speed on a freeway

An airplane accelerating to take off

Accelerating out of the starting blocks at a track meet

Explanation:

Describe a way to separate a mixture of fine sand and table salt without having to directly sort tiny crystals using tweezers.

Answers

Answer:

you can add water to the mixture and dissolve the salt

The method used is by solubility which is dissolving the sand and salt mixture into water and heating.

This is just about methods of separations of mixtures.

There are three major methods that can be used to separate a mixture of sand from salt. They are;

- Physical separation by use of magnifying glass and tweezers.

- Dissolving the mixture in water

- Melting the salt

The first method can't be used because we are told to use another method.

In that case, we will use the second option which involves solubility.

Now, salt is made up of sodium chloride which means it is an ionic compound and it will be soluble in water whereas sand is not soluble in water as it contains mainly silicon dioxide.

Now, the process involved in this separation is as follows;

- Pour the mixture into a container.

- Add water to the mixture in the container.

- Turn on a burner and heat this solution in the container till the salt has dissolved completely.

- Then after that, turn of the burner and allow the heated solution to cool off a bit.

- After it has cooled a bit, pour the salt solution on top into another empty container.

- Then collect the sand out of the heated container.

- Then heat the salt solution until the water dries and only the salt is left.

Read more at; brainly.com/question/4853862

If you poke a hole into a plastic bottle, and stick a straw in it, and then let the straw connect to a glass cup, and then blow a balloon and stick it on the top of the mouth of the bottle, we will measure how long it takes for the water to move from the plastic bottle to a cup.
Will a larger bottle size increase or decrease how fast water goes from the plastic bottle to the cup?

Answers

it was decrease because the water js going from one place to another

How many meters did the car go in the first 4 seconds?​

Answers

Are there numbers on the y axis?

2
How is acceleration related to force when mass is constant, according to Newton's second law of motion?
A. The acceleration is directly proportional to the net force,
OB
The acceleration is inversely proportional to the net force.
C. The acceleration is inversely proportional to the square root of the net force.
OD
The acceleration is directly proportional to the square root of the net force.
Reset
Next Question

Answers

Answer:

A

Explanation:

The acceleration of an object is directly proportional to its net force.

[tex]a = \frac{f}{m} [/tex]

Answer:

Correct choice: A. The acceleration is directly proportional to the net force

Explanation:

Newton's Second Law of Motion

According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force F and inversely proportional to the object's mass m:

[tex]\displaystyle a=\frac{F}{m}[/tex]

Correct choice: A. The acceleration is directly proportional to the net force

If a train goes at constant speed of 40 miles per hour for one hour, then at constant
speed of 55 miles per hour for two hours, what is its average speed at the train?

Answers

Answer: because the train goes 72 mph for 2 hours

Explanation:

does the train go 72mph for 2 hours as well? if so the answer would be 324 because you have to add 90 twice scene it goes at that speed for 2 hours thats 180. assuming  the train goes 72 mph for 2 hours it would be 144. then add 180 and 144 and you get 324 merry christmas and a happy newyear to you and your family

Which dwarf planet orbits the Sun far beyond Pluto, taking 560 years per orbit?

Answers

Answer:

Eris

Explanation:

The object, temporarily designated 2003UB313 and later named Eris, orbits the sun about once every 560 years, its distance varying from about 38 to 98 AU.

Answer:

me

Explanation:

Mass refers to the gravitational force on the matter in contact with the surface of a planet. true or false

Answers

Answer:

False

Explanation:

The mass of something does not depend on gravity. A planet has a constant gravitational force. Earth's is 9,80 N/kg. The moon, on the other hand, is 1,6 N/kg. the number of kilograms of something doesn't change if you go from one planet to another and since mass is measured in kilograms, mass doesn't change, therefore it does not refer to gravity. Mass refers to the quantity of matter in an object. It is weight that refers to the gravitational force on an object, since it is measured in newtons, and the amount of newtons per kilogram changes from planet to planet due to different gravity constants

If a racer maintained a constant speed, during which sections of the race would the racer's velocity be the same?

Sections 1 and 2
Sections 2 and 3
Sections 2 and 4
Sections 3 and 4

pls help!!​

Answers

Answer:

Sections 3 and 4

Explanation:

The correct answer would be sections 3 and 4.

The velocity of an object is the speed of the object in a particular direction. In this case, the speed of the racer is constant irrespective of the distance or the direction. Hence, the sections of the race during which the racer's velocity would be the same would be the sections in which the racer faces the same direction - which is sections 3 and 4.


The measurement of how much matter an object contains is its
a. volume.
b. weight.
c. mass.
d. melting point.

Answers

Answer:

Mass is how much matter an object contains. Mass and weight are different measurements, although they may seem similar. Mass is measured by comparing one object to another object of known mass. Grams and kilograms are units we use to measure mass.

The measurement of quantity of matter in an object is mass ( optionC)

What is mass of a body?

Mass of a body is defined as the quantity of matter(Solid, liquid or gas) contained in the given volume of the body.

Mass is a scalar quantity and also part of the fundamental quantities. It is measured in kilograms. Other units of mass include; gram tonnes e.t.c

Matter is anything that takes up space and can be weighed.

Therefore the quantity of matter in a body is

called mass.

learn more about mass of a body from

https://brainly.com/question/86444

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How does changing the number of neutrons affect an atom?

Answers

Answer:

If you change the number of neutrons in an atom, you get an isotope of the same element. The addition of a neutron can make an atom radioactive. When you change the number of protons in an atom, you will change the atom from one element to a different element.

Explanation:

The characteristics of the atomic nucleus allow to find the answer for the effect of the change of neutrons in an atoms is

The change in neutrons changes the atomic mass.

A chemical element is made up of protons, neutrons and electrons; the first two are in the atomic nucleus and the electrons are in orbits around them.

The number of protons corresponds to the atomic number and its change changes the type of element.

The neutrons that are neutral charge together with protons form the mass of the atom, as neutrons are neutral if the number does not affect the type of atom, but if its atomic mass changes.

Elements with the same atomic number, but different atomic mass, different number of neutrons are called isotopes; in general all elements have isotopes, for example hydrogen has an isotope called deuterium that has a neutral and another radioactive isotope called tritium that has two neutrons.

In conclusion using the characteristics of the atomic nucleus we find the answer for the effect of the change of neutrons in an atoms is

The change in neutrons changes the atomic mass.

Learn more here:  brainly.com/question/11673503

a box is pushed along the ground with a force of 20N. If the box is pushed 0.5M.How much work done is on it?

Answers

Answer:

10J

Explanation:

work (W)= force (F)× distance (d)

W= 20N × o.5m

=10J (Joule)

Answer:

10 joules(j)

Explanation:

12. Describe Binding energy and how it plays a role in nuclear fusion up to 56Fe (the synthesis of iron
nuclei). Include a description of the relationship between the strong nuclear force, the
electromagnetic force, and the number of nucleons involved in the fusion in your answer.
Help me on thiss one once again ughh ! asap ! hurry

Answers

The binding energy per nucleon increases in value from Hydrogen up to Iron (Fe 56). This causes lighter nuclei to fuse together to make more stable heavier nuclei.

The strong nuclear force is responsible for causing the fusion of the nuclei and it is much much stronger than the electromagnetic force that would otherwise keep the positive protons apart.

Please help ASAP WILL GIVE BRAINLIEST

why is it important to use the correct number of significant digits when reporting the results of an experiment
A. So other scientist can see how spread out your data are
B. So other scientists can see how many separate trials you preformed
C. So other scientists can compare their experimental results with yours
D. So other scientistcan see how precise your measurements were

Answers

Answer:

D

Explanation: It makes the most sense. Plz mark brainliest

Answer:

D

Explanation:

So other scientist can see how precise your measurements are

Please help my test is going on. Please answer both (i) and (ii). ​

Answers

Answer:

i. 7.5 m

ii. 15000 N

Explanation:

Area under vt graph shows the displacement

so area of triangle ABE= 1/2×15×2

=7.5 m

ii) F=ma

here, m=1000kg

and a=v-u/t

=15-0/1

a=15

F=1000×15=15000N

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