I need help on this please!

I Need Help On This Please!

Answers

Answer 1
The answer is B: destructive interference
Answer 2

Answer:

i think it is no interference

Explanation:

because both of the arrows haven't interfered. If you look up some of the pictures of each answer choice that is on your question, it will have that picture shown.


Related Questions

Fill in the blank with the correct response.
A(n)
provides work samples for artists and illustrators.

Answers

Answer:

the answer is portfolio

Explanation:

Amir and Gracie left some evidence of breakfast behind. Luckily, some of it can be changed back. What does Mosa write down as clues that a substance will easily change back?

Answers

Answer:

You could say that it was not a chemicly change because that is when you say this is just a example that if you cook eggs you cant un-cook them

Explanation:

Most of the sun's radiation passes through Earth's atmosphere and is absorbed by land and water. The diagram below shows some of the ways in which air is

What kind of energy transfer is shown by the movement of the air labeled B in the diagram?

Answers

B.The sunsu rediation C

Answer: B

Explanation:

2) ____ AgNO3 + ____ Cu ____ Cu(NO3)2 + ____ Ag





3) ____ CF4 + ____ Br2 ____ CBr4 + ____ F2





4) ____ GaF3 + ____ Cs ____ CsF + ____ Ga





5) ____ N2 + ____ H2 ____ NH3





6) ____ NaF + ____ Br2 ____ NaBr + ____ F2







7) ____ CH4 + ____ O2 ____ CO2 + ____ H2O






8) ____ K + ____ Cl2 ____ KCl






9) ____ Al + ____ HCl ____ H2 + ____ AlCl3






10) ____ N2 + ____ F2 ____ NF3





11) ____ SO2 + ____ Li2Se ____ SSe2 + ____ Li2O





12) ____ NH3 + ____ H2SO4 ____ (NH4)2SO4

Answers

2) Single replacement (Substitution)

3) single replacement

4) double replacement

5) synthesis

6) decomposition

7) single replacement

8) synthesis

9) double replacement

10) synthesis

11) single replacement

12) synthesis

srry for taking a long time hope this helps ^^

give me 4 examples of newtons 1st law 2nd law adn 3rd law

pls be creative this is due tomorrow and creativity is counted

Answers

Answer:

1st Law: A book lying on the table remains at rest as long as no net force acts on it.

A rolling ball on rough surface or ground stops earlier than on the smooth surface because rough surfaces offer more friction than a smooth surface.

A stone in the ground is in a state of rest.

The marathoner continues to run several meters beyond the finish line due to the law of inertia of his career.

2nd Law: Pushing a broken down car among more people will make the car move faster.

A lady teaches two children to ride a bicycle: one 4-year-old and the other 10-year-old, so that they arrive at the same place, they will have to exert more force when pushing the 10-year-old boy because his weight is greater.

A car needs a certain amount of horsepower to be able to drive on the road.

Imagine two people, one with more force than the other, pushing a table, in different directions. The person with greater strength is pushing towards the east, and the person with less force towards the north.

3rd Law: If one billiard ball hits another, the second will move with the same force as the first.

A man deflates a balloon; the force with which the air comes out causes the balloon to move from one side to the other.

A child wants to jump to climb a tree (reaction), he must push the ground to propel himself (action).

Hammer pushes a nail.

Hope that helps :)

Explanation:

I desperately need help on my last problem! Please help!

A moving car of mass 500 kg collides with a stationary truck of mass 1500 kg, and the two vehicles lock together on impact. The combined velocity of the car and truck after the collision is 20 m/s. The velocity of the car before the collision is _______ m/s.

What is the velocity of the car before the collision?

Answers

Answer:

The car was approximately moving at 80m/s

The velocity of the car before the collision is 80 m/s :)

A tennis ball forgotten on the court after match is:
A. Potential energy
B. Kinetic energy
C. Forgotten energy

Answers

C is what i always have so ima go with C.

Answer:

A. or C. but I think A.

Explanation on:

It's potential because it's not in motion so it can't be kinetic but somebody can pick it up any moment.

help please
whats an example of kinetic energy

Answers

Answer:

A semi-truck travelling down the road has more kinetic energy than a car travelling at the same speed because the truck's mass is much more than the car's. A river flowing at a certain speed comprises kinetic energy as water has certain velocity and mass.

Explanation:

Answer:

An airplane has a large amount of kinetic energy in flight due to its large mass and fast velocity.

Explanation:

Running is an example of potential or kinetic energy

Answers

When a person runs, their body must convert potential energy into kinetic energy. Potential energy is the energy stored within a system. Potential energy is used when the system uses kinetic energy to move in a horizontal direction. In the human body, potential energy is stored in the form of chemical energy.
Running is a kinetic energy

Explain why some people see objects nearby clearly, but objects far away appear blurry. Also, explain how this condition can be corrected.

EDGE 2020

Answers

Myopia

Explanation:

myopia is a common vision condition in which you can see objects near to you clearly, but objects farther away are blurry. It occurs when the shape of your eye causes light rays to refract incorrectly, focusing images in front of your retina instead of on your retina. It can be corrected corrected with eyeglasses, contact lenses or refractive surgery.

Answer:

the first guy is correct i think

sorry but i needed points

Explanation:

What front does this symbol represent on a weather map?

Answers

Answer:

cold warm or both dont really know

Explanation:

   

That is a stationary front

Hope this helped

The theory of plate tectonics describes how the Earth’s lithosphere is broken into plates and these plates move over the molten magma below. Why is this considered a theory and not a law?

A. a theory is can not be proven and is based on opinion, a law is based on facts

B.A theory is developed by a single person or small group a law is developed by a large group of scientists

C. A theory can be modified as new evidence is uncovered, a law describes a relationship under certain conditions

D. A theory is developed by observing something under certain conditions and a law can be modified as new evidence is uncovered

Answers

Answer:

C

Explanation:

A theory can be changed when new evidence is found. A law doesn't change because it is universally a fact. It doesn't need new evidence to support it.

A theory can be modified as new evidence is uncovered, a law describes a relationship under certain conditions. Therefore, option (C) is correct.

What is the difference between theory and the law?

Theories and laws explain science, but they are different. Law describes what happens under certain conditions while theory explains why. This distinguishes theory from law.

Explanations of a phenomenon are referred to as theories. The workings of nature can be explained by theory. The law not only explains what happens in nature when certain conditions are met, but it can also predict what will happen in the future if those conditions are met. A theory is typically more descriptive and complicated than a law, with detailed explanations or multiple supported hypotheses.

Therefore, the theory of plate tectonics is considered a theory.

Learn more about theory and law, here:

https://brainly.com/question/9266219

#SPJ5

PLS HELP FIND THE AVREGE KENETIC ENERGY!!

Answers

Answer: if you gogle it it will tell you the awenser

lanation:

1. Where is the water in the pot going?


2.How does E? Emulsion, the celebrity food scientist, define a physical reaction and what examples does he give?

Answers

Answer:

   

Explanation:

   

CAN SOME WONE HELP WITH THIS PLEASS?

What are characteristics of eukaryotic organisms?

Answers

it’s the lack. A bunch dissipation and desperateness done with the eukaryotes

Answer:

Eukaryotic cells are very diverse in shape, form and function. Some internal and external features, however, are common to all. These include a plasma (cell) membrane, a nucleus, mitochondria, internal membrane-bound organelles and a cytoskeleton

Explanation:

Help please, thank you!

Answers

Yeah D is the correct answer

In a physical change, the molecules inside a substance_____________before and after.

A.stay the same
B.change
C.vary between
D.travel between

Answers

Answer: D travel between

A = Travel Between :)

What empirical evidence has led us to believe in the theory of plate tectonics?

A.The cluster ofvolcanoes in certain region

B.Scientists have discovered fossil evidence that the earth was mostly covered with ice at one time.

C.Scientists have discovered fossil evidence of organisms that are now extinct

D.Scientists have discovered tropical fossils in Antarctica

Answers

The answer is believed to be C because the evidence is from fossils and glaciers.
The answer is D because if there are tropical fossils in Antartica that means that the continents were once together, which proves plate tectonics because that means plate tectonics moved the supercontinent (Pangea) apart.

please help! the first person to answer this correctly will get a brainlist

The Conference for Food Protection is a powerful regulatory authority that profoundly influences model laws and regulations among all government agencies.


True

False

Answers

Answer:

true

Explanation:

I took the quiz before so hope it helped :)

The continent of Antarctica spans across the South Pole. Which of the following accurately describes its climate?

A. Currently the temperature is -21°C with 6 inches of snow accumulation.

B. Windy, cold and icy conditions will occur over the next week.

C. A polar desert with a history of low levels of precipitation.

D. Warmer than normal temperatures in the past 2 weeks.

Answers

Answer:

I think the answer is B.

Natalia began to draw a diagram to compare bases and acids.

Two overlapping circles with the word bases above the left circle and acids above the right circle. There is an X in the left circle in the portion, which is not part of the overlap.

Which label should be written in the area marked X?

conducts electric current
produces OH– ions
tastes sour
reacts with carbonates.

Answers

Answer:

first one

Explanation:

Answer

conducts electric current

Explanation:

You are riding a bicycle home from school. You average 5 meters per second and you are headed south.
What motion can you determine from this data? Select all that apply.
A
Velocity
B
Acceleration
Distance
Speed

Answers

The correct option is, (D) Velocity

Velocity measures the speed of an object in a particular direction. It is a vector quantity. It depends on the magnitude and the direction.
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