most of the energy we use on earth comes from the sun—how does that energy(light and thermal)end up?

As ____energy in our food
As ____energy of wind or moving water
As ____energy that was our lights
As ____energy when we move around

Answers

Answer 1
most of the energy we use on earth comes from the sun—how does that energy(light and thermal)end up?

As ____energy in our food

Related Questions


The state of matter with particles that are not attracted or tightly packed
and are not arranged in a regular pattern; zoom around to easily change
shape and volume *
a.gas
b.liquid
c.solid

Answers

It's none of the above hope this helps

(Physics) Help !! I’ll give brainliest if you answer both the question in the picture and this question :

The loudness or intensity of a sound is related to its…
A. Amplitude
B. Frequency
C. Pitch
D. Wavelength

Answers

Answer:

Explanation:

i think the first questions answer is A. amplitude

the second questions answer is also A. transverse wave

Answer:

B. Frequency and transverse

Which part of this chemical process requires energy? KOH + HBr - KBr + H20 A. Forming bonds in KOH and HBr B. Breaking bonds in KBr and H2O C. Breaking bonds in KOH and HBr D. Forming bonds in KBr and H2O​

Answers

The chemical process which requires energy is breaking bond in KOH and HBr. Hence, option C is correct.

What is energy?

The capacity to perform work is known as energy in physics. Potential, kinematic, thermodynamic, electromagnetic, chemical, nuclear, and other types are all possible.

As energy is transferred through one body to another, there is also heat and work. As a result, heat transfer may result in thermal energy, whereas labor done may result in mechanical power.

As per the given reaction in the question,

KOH + HBr - KBr + H20

Here, in this reaction the chemical process which requires the energy is at the time of breaking of bonds in KOH and HBr at that time the energy is required.

Therefore, it is concluded that breaking bonds in KOH and HBr i.e., option C is correct.

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Earth's rotation causes winds to veer to the west or to the east. This is known as the Coriolis effect.

Lesson 1.06



Question 5 options:
True
False

Answers

Earth's rotation and spherical shape cause winds to veer to the right (in the northern Hemisphere) or to the left (in the southern Hemisphere) of the direction they want to go.  This is known as the Coriolis effect.

If you didn't know that you're on a rotating Earth, and you looked at the patterns of the winds, you'd think there's some kind of force that's making the airflow veer to the right or left of the direction it actually wants to go.  This is known as the Coriolis force.  It's a"pseudo force", because it doesn't really exist.  It only LOOKS like it's there, because of the Earth's rotation and spherical shape..

The statement "Earth's rotation causes winds to veer to the west or to the east" is true about the Coriolis effect.

What is the Coriolis effect?

Fluid materials such as wind and ocean currents take different directions depending on the hemisphere, this movement of deviation is called the Coriolis effect.

Characteristics of the Coriolis effect

The Coriolis effect occurs when masses of air or water move along terrestrial meridians, and their trajectory and speed are modified by it.

The winds or ocean currents that move along a meridian are diverted by accelerating in the direction of rotation (east) if they go towards the poles or the opposite (west) if they go towards the equator.

Therefore, we can conclude that the force that tends to deflect the trajectory of objects moving across the entire earth's surface is known as the Coriolis effect.

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What are two ways in which ultrasound technology produces images

Answers

Fetal and ophthalmic

Need help ASAP
Thanks+ BRAINLIST only for correct answers it’s due in 10 mins I really need help

1.what is the order if visible light in increasing energy?
-violet, indigo, blue, green, yellow, orange, red
-red, orange, yellow, green, blue, indigo, violet

2.visible light is a mixture of
-refraction and reflection
-atoms and molecules
-many colors
-ultra violet and non violet rays

Answers

1- option 2
2- option 1

Explanation:

1A. The visible light portion of the electromagnetic spectrum shows the rainbow of colors, with violet and blue having shorter wavelengths, and therefore higher energy. At the other end of the spectrum toward red, the wavelengths are longer and have lower energy.

so its option 2

2A. Atom and molecules

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How could you explain that two objects of the same volume have different buoyancy in water???

HELP ITS URGENT

Answers

Answer:

Explanation:

Take for example you place two eggs in the water. One starts to sink and one remains floating. They have the same volume but the one that sinks is cracked just a little, which as soon as it hits the water, water starts to go in the egg. Then that changes the volume of the egg. (I've done this expirement before) It can also be the way you place the object in the water, or one object has been in the water longer. The buoyancy can be the way they are positioned/placed in the water. One may be more absorbant to the water as well.

I hope you understand what I am trying to say.

Why we need football?

Answers

Because of nationalism bringing people together and a passion

Answer:

bc we play when we are bored and some people use it as a tradition to play on thanksgiving

The electromagnetic spectrum has waves of varying levels of energy. Which
wave has the least energy?

Answers

Answer:

Radio waves, I believe

Explanation:

Answer:

radio yes yup yup yup yup

which two options are examples of wave refracting?
A. Your image in a mirror
B. Light bending as it travels through glass.
C. A voice echo.
D. An object appearing broken when partly seen through water.

Answers

B is the answer I hope this helps

Describe a line that indicates moving backward on a graph

Answers

Answer:

time speed accelaration negatives backwards

Explanation:

Which picture is louder?
A) Bottom picture with greater amplitude
B) Top picture with less amplitude

Help me plssss!!!

Answers

Answer:

A

Explanation:

The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound.

What does the speed of air have to do with air pressure?


Detailed answer pls!!! i will give brainliest!!!!

Answers

Answer:

The air speeds up, and as it speeds up, its pressure—the force of the air pressing against the side of the object—goes down. ... This means that if the area in which the air is moving narrows or widens, then the air has to speed up or slow down to maintain a constant amount of air moving through the area.

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3.5 x 10^-3 as a regular number (convert from scientific notation to a real number)

Answers

Answer:   0.0035

============================================

Explanation:

The exponent is -3, so we move the decimal point 3 spots to the left to go from 3.5 to 0.0035

If the exponent was positive, then we would move the decimal point to the right that amount of spaces.

The particles of a substance can have kinetic energy (KE) and potential energy (PE). Which equation best summarizes the internal energy (U) of the substance?​

Answers

Answer:

The internal energy of a substance is equal to the total amount of potential energy and kinetic energy of ALL the particles in the substance.

For example, when the temperature increases (more temperature means more energy), the kinetic energy of the particles in the substance increases.

And when we reach a point near a change of phase (like near fusion point) there is energy used to break the bonds between the particles, then we have an increase in potential energy.

Then we could write the internal energy as:

U = ∑(KEₙ) + ∑(PEₙ)

Where ∑(KEₙ) and ∑(PEₙ) are the sums of the kinetic energy and potential energy of all the particles in the substance.

The equation that best summarizes the internal energy (U) of a substance that has both kinetic and potential energy is U = ∑(KEₙ) + ∑(PEₙ).

WHAT IS INTERNAL ENERGY:The internal energy of a substance is equal to the total amount of potential energy and kinetic energy of all the particles in the substance.

According to this question, the particles of a substance can have kinetic energy (KE) and potential energy (PE).

This means that the internal energy is the sum of the kinetic energy and potential energy of all the particles in the substance.

Therefore, equation that best summarizes the internal energy (U) of a substance that has both kinetic and potential energy is U = ∑(KEₙ) + ∑(PEₙ).

Learn more about internal energy at: https://brainly.com/question/11278589

a lizard ran 3 meters from his rock to his friend's house. he ran back halfway and stopped. what is his distance traveled

Answers

Answer:

4.5m

Explanation:

Distance is the total length of path traveled or covered by a body.

So distance is a scalar quantity, it only has magnitude but no direction.

Therefore:

Total distance = 3 m + [tex]\frac{1}{2}[/tex](3)

So;

        3 + 1.5  = 4.5m

Total distance covered 4.5m by the body.

The bottom of a ladder must be placed 4 feet from a wall. The ladder is 12 feet long. How far above the ground does the ladder touch the wall? Estimate your answer to the nearest tenth.

Answers

Answer:

Height of wall (Perpendicular) = 11.31 ft (Approx)

Explanation:

Given:

Base Distance (Base) = 4 feet

Height of ladder (Hypotenuse) = 12 feet

Find:

Height of wall (Perpendicular)

Computation:

Perpendicular = √Hypotenuse² - Base²

Height of wall (Perpendicular) = √12² - 4²

Height of wall (Perpendicular) = √144 - 16

Height of wall (Perpendicular) = √128

Height of wall (Perpendicular) = 11.31 ft (Approx)

Suppose a 4.0-kg projectile is launched vertically with a speed of 8.0 m/s. What is the maximum height the projectile reaches?
A. 1.7 m
B. 3.3 m
C. 6.5 m
D. 13 m
help as quick as possible plz :(

Answers

Answer:

h = 3.3 m (Look at the explanation below, please)

Explanation:

This question has to do with kinetic and potential energy. At the beginning (time of launch), there is no potential energy- we assume it starts from the ground. There, is, however, kinetic energy

Kinetic energy = [tex]\frac{1}{2}[/tex]m[tex]v^{2}[/tex]

Plug in the numbers = [tex]\frac{1}{2}[/tex](4.0)([tex]8^{2}[/tex])

Solve = 2(64) = 128 J

Now, since we know that the mechanical energy of a system always remains constant in the absence of outside forces (there is no outside force here), we can deduce that the kinetic energy at the bottom is equal to the potential energy at the top. Look at the diagram I have attached.

Potential energy = mgh = (4.0)(9.8)(h) = 39.2(h)

Kinetic energy = Potential Energy

128 J = 39.2h

h = 3.26 m

h= 3.3 m (because of significant figures)

What is the unit of a force, and what is 1 unit equivalent to?

Answers

Answer:

Newton

Explanation:

The unit of force is Newton and it is given after Sir Isaac Newton for his tremendous works in this regard.

 Force is the product of mass and acceleration of a body.

    Force  = mass x acceleration  

 The unit of mass = kg

                    acceleration  = m/s²

So;

      1N  = 1kgm/s²

Therefore, the unit of force is newtons and 1N is equal to  1kgm/s²

The ultrasound is reflected from the seafloor back to the submarine.

Use the correct answers below to complete the sentence.

A. Half
B. The same as
C. Twice

The total distance the ultrasound pulse travelled is......... the distance to the sea floor.

Answers

Answer: c

Explanation:

The total distance the ultrasound pulse travelled is, twice the distance of the sea floor

Because it went back and forth

A ball rolls with a speed of 3 m/s across a level table that is 1.5m above the floor. How far along the floor is the landing spot from the table?

Answers

Answer:

d = 1.65 m

Explanation:

Given that,

The speed of a ball, v = 3 m/s

A ball rolls a level table that is 1.5 m above the floor.

We can find how long the ball is in free fall. We can use the second equation of kinematics as follows :

[tex]s=ut+\dfrac{1}{2}gt^2[/tex]

u is the initial speed in the vertical direction

So,

[tex]s=\dfrac{1}{2}gt^2\\\\t=\sqrt{\dfrac{2s}{g}} \\\\t=\sqrt{\dfrac{2\times 1.5}{9.8}} \\\\t=0.55\ s[/tex]

Now, using the formula of velocity.

[tex]v=\dfrac{d}{t}\\\\d=vt\\\\d=3\times 0.55\\\\d=1.65\ m[/tex]

So, the landing spot is at 1.65 m from the table.

A pendulum bob swings along its characteristic arc as shown. Rank the gravitational potential energy of the pendulum bob at the three marked locations

Answers

Answer:

Gravitational potential energy is the maximum at point C and lowest at point A

Explanation:

The image for the question is provide in the attached file

The energy of pendulum is governed by mechanical energy. Mechanical energy is the sum of potential energy and kinetic energy

Potential energy increases with increasing height. Thus, when the pendulum bob is at maximum height, then its potential energy is also the highest.

Thus, At point C, the gravitational potential energy is the highest

At point A, the  gravitational potential energy  is substantial but lower than that of gravitational potential energy at point C

AT point A, gravitational energy is the lowest

1. How much thermal energy does a 2kg steel block
(c=450J/kg°C) lose when it cools from 300°C to 20°C?

please help me and show the working out. ​

Answers

That’s really rude you just typed in a bunch of letters to get points

Financial assistance intended to aid students in reaching their educational goals is called
a. benefits
b. financial aid
c. associate's assistance
d. post-secondary education
Please select the best answer from the choices provided
Help plsssss

Answers

I believe it’s financial aid

Answer:

financial aid

Explanation:

edge

HELP PLS MARKING BRANLIST 100 Pts TAKING TEST RN


A shopping cart is going 2.0 m/s and comes to a complete stop after 4 seconds. What was the cart's acceleration?

8 m/s2

-0.5 m/s2

0.5 m/s2

-8 m/s2

Answers

Answer:

0.5 m/s2

Explanation:

accelration formula : final velocty - starting velocity divided by time

True or false: in our solar system, only the sun creates radio waves

Answers

False hdhsbsbsbjsjsndndbxhsisj

1. If an object starts at 0 m/s and 0.0001 seconds later the object is travelling at
400 m/s what is the objects acceleration?

Answers

Answer:

4 x 10⁶m/s²

Explanation:

Given parameters:

Initial velocity  = 0m/s

Time  = 0.0001s

Final velocity  = 400m/s

Unknown:

Acceleration of the object  = ?

Solution:

Acceleration is the rate of change of velocity with time;

 Acceleration  = [tex]\frac{Final velocity - Initial velocity }{Time }[/tex]  

 Acceleration  = [tex]\frac{400 - 0}{0.0001}[/tex]   = 4 x 10⁶m/s²

how much work does a 60kg person do in walking up 5m of stairs

Answers

Answer:

If I’m correct 300 joules

Explanation:

According to the label, what is the estimated cost of running this air conditioner for 3,000hours if electrical energy costs 10 cents per kilowatt-hour?
a.$40
b.$19
8c.$238
d.$300

Answers

The answer is $300 for the estimated cost

List two functions of blood plasma

Answers

Answer:

•Helps to maintain va proper pH in the body which supports cell function.

•Carries electrolytes such as sodium and potassium to our muscles.

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The following table shows the town's demand schedule for water.Price Quantity Demanded Total Revenue (Dollars per gallon) (Gallons of water) (Dollars) 4.20 0 0 3.85 40 $154.00 3.50 80 $280.00 3.15 120 $378.00 2.80 160 $448.00 2.45 200 $490.00 2.10 240 $504.00 1.75 280 $490.00 1.40 320 $448.00 1.05 360 $378.00 0.70 400 $280.00 0.35 440 $154.00 0 480 0Suppose Bob and Cho form a cartel and behave as a monopolist. The profit-maximizing __________price isper gallon, and the total output is__________gallons. As part of their cartel agreement, Bob and Cho agree to split production equally. Therefore, Bob's profit is__________, and Cho's profit is____________.Suppose that Bob and Cho have been successfully operating as a cartel. They each charge the monopoly price and sell half of the monopoly quantity. Then one night before going to sleep, Bob says to himself, "Cho and I aren't the best of friends anyway. If I increase my production to 40 gallons more than the cartel amount, I can increase my profit even though her profit goes down. I will do that starting tomorrow."After Bob implements his new plan, the price of water ________ to__________per gallon. Given Cho and Bob's production levels, Bob's profit becomes________ and Cho's profit becomes___________. Because Bob has deviated from the cartel agreement and increased his output of water to 40 gallons more than the cartel amount, Cho decides that she will also increase her production to 40 gallons more than the cartel amount. After Cho increases her production, Bob's profit becomes__________, Cho's profit becomes_________, and total profit (the sum of the profits of Bob and Cho) is now____________. What was the Harlem Renaissance and how does it tie in with the New Negro Movement? plzz helppppp"The city of Chicago will rewrite its gun ban ordinance because a Supreme Court ruling today has made the current law 'unenforceable.' 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If you think that the present value of your Ford Truck is only $9,000 and you assume the interest rate is 10%, which one of the below would be the minimum annual payment that you d be willing to accept? $2,839.24 $3,435.48 $3,123.16 $2,250