Constructive interference is to destructive interference as a. a + a is to (-a) + (-a).
b. a + a is to (+a) + (-a).
c. rough is to smooth
d. b & c
e. a & c

Answers

Answer 1

The answer to the analogy presented is b. a + a is to (+a) + (-a). This is because constructive interference occurs when two waves of the same frequency and amplitude combine to produce a resultant wave with an even larger amplitude.

This is similar to adding two positive values together to get a larger positive value. Destructive interference, on the other hand, occurs when two waves of the same frequency and amplitude combine to produce a resultant wave with a smaller amplitude or even cancel each other out. This is similar to adding a positive and negative value together, resulting in a smaller or interference. The comparison between constructive and destructive interference can be seen in the way that adding positive values can increase the magnitude, while adding negative values can decrease it. In contrast, the analogy options c and d do not have any relation to the concept of interference.

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Related Questions

which of the following will cause the capacitance of a charged-plate supercapacitor to increase? multiple select question. smaller surface area of the charged plates. greater separation between the charged plates. smaller separation between the charged plates. greater surface area of the charged plates.

Answers

The correct answers for the factors that cause the capacitance of a charged-plate supercapacitor to increase are: greater surface area of the charged plates and smaller separation between the charged plates.

The capacitance of a charged-plate supercapacitor is influenced by two main factors: the surface area of the charged plates and the separation between them. In order to increase the capacitance of a supercapacitor, you would want to have a greater surface area of the charged plates and a smaller separation between them.

A greater surface area of the charged plates provides more space for the electric charge to be stored, resulting in higher capacitance. On the other hand, a smaller surface area would decrease the capacitance, as there would be less space for charge storage.

The separation between the charged plates also plays a crucial role in determining capacitance. A smaller separation between the plates creates a stronger electric field, which in turn allows for a higher capacitance. Conversely, a greater separation between the charged plates would weaken the electric field, leading to a lower capacitance.

Therefore, the correct answers for the factors that cause the capacitance of a charged-plate supercapacitor to increase are: greater surface area of the charged plates and smaller separation between the charged plates.

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Jenny wants to change her graduation photograph into a black-and-white image. Which tool will Jenny use?

Answers

Answer: Jenny can use many apps and Software to change her graduation photo into black and white with many tools the best tool is desaturation.

Explanation:

so theres your answer

Two 10.-ohm resistors have an equivalent resistance of 5.0 ohms when connected in an electric circuit with a source of potential difference. Using circuit symbols found below, draw a diagram of this
circuit.

Two 10.-ohm resistors have an equivalent resistance of 5.0 ohms when connected in an electric circuit

Answers

The resistors are connected in parallel between the terminals of a battery.

Note: If those resistors are connected in parallel, then their equivalent resistance is already 5 ohms, even if they're still in the drawer or in a box on the shelf. They don't have to be connected to a source of voltage for that to happen.

What is the technological advances that we have thanks to the types of energy and thermal energy?

Answers

Power generation technologies such as coal-fired power plants nuclear reactors and wind turbines offer various strengths and weaknesses to power generation companies and their customers.

Renewable Energy Technologies is an umbrella term for energy production from renewable sources such as solar wind, hydro hydroelectric tidal biomass biofuels, and waste and geothermal. In my opinion, the most important technical need related to energy is to make energy sources cheaper safer, and more socially acceptable.

This is reflected in an inexhaustible resource that is environmentally friendly and cheap to process to generate energy. Renewable energy sources play an important role in ensuring sustainable energy with low emissions. It is already recognized that renewable energy technologies can significantly meet power demand and reduce emissions. The country has developed sustainable methods for its energy supply in recent years.

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The picture shows the solar panels that power all of the appliances in Joaquin's house.Joaquin is using his oven to bake cookies for his family. What energy transformations occur that enable him to bake cookies?heat energy → light energy → heat energybheat energy → chemical energy → light energyclight energy → electrical energy → heat energydlight energy → electrical energy → chemical energy

Answers

ANSWER:

C. light energy → electrical energy → heat energy

STEP-BY-STEP EXPLANATION:

Solar panels capture light energy from the sun, which must necessarily be converted into electrical energy to then generate heat to bake the cookies.

So, the correct order would be the following:

C. light energy → electrical energy → heat energy

Answer:yeah its C lol

Explanation:

which of the four treatments was the control for the experiment?

Answers

The experiment's control consisted of the four treatments. The wild kind of mouse

What is meant by experiment?A process used to confirm or deny a theory, as well as assess the effectiveness or possibility of something that has never been performed before, is called an experiment. By showing what happens when a particular element is modified, experiments shed light on cause-and-effect relationships. "A test under controlled conditions that is made to show a known truth, to assess the validity of a hypothesis, or to determine the efficacy of something hitherto untried," is how the American Heritage Dictionary of the English Language defines an experiment. A issue is recognized, relevant data is obtained, a hypothesis or question is created using the data, and the hypothesis is tested through an experiment to confirm or refute its viability.

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Kayaks have been used for thousands of years to hunt and fish in Arctic regions. The total volume of a particular kayak is 285 litres (which is 0.285 m3). It has a mass of 75 kg. The man using it has a volume of 0.066 m3. When sitting in the kayak, half of man’s volume is inside the kayak. The density of the human body is about 1000 kg/m3.Calculate the density of the empty kayak.

Answers

Given,

The volucme of Kayak, V₁=0.285 m³

The mass of the Kayak when the man is sitting in it, m₁=75 kg

The volume of the man, V₂=0.066 m³

The density of the man, d=1000 kg/m³

The mass of the man inside the Kayak is given by,

\(m_2=V_2\times d\)

On substituting the known values,

\(\begin{gathered} m_2=0.066\times1000 \\ =66\text{ kg} \end{gathered}\)

The mass of the empty Kayak is,

\(\begin{gathered} M=m_1-m_2 \\ =75-66 \\ =9\text{ kg} \end{gathered}\)

Given that only half of the volume of the man is inside the Kayak when he is sitting in it. Half of the man's volume which is outside the Kayak will be considered in the total volume of the Kayak when he is sitting in it. Thus we have to subtract half of his volume, which is outside the Kayak, while we calculate the density of the Kayak.

Thus the density of the empty Kayak is

\(\rho=\frac{M}{V_1-\frac{V_2}{2}}\)

On substituting the known values,

\(\begin{gathered} \rho=\frac{9}{0.285-\frac{0.066}{2}} \\ =35.71kg/m^3 \end{gathered}\)

Thus the density of the Kayak is 35.71 kg/m³

A 0.3-m-radius automobile tire rotates how many revolutions after starting from rest and accelerating at a constant 2.13 rad/s2 over a 23.2-s interval?

Answers

Answer:

The automobile tire rotates 91 revolutions

Explanation:

Given;

angular acceleration of the automobile, α = 2.13 rad/s²

time interval, t = 23.2-s

To calculate the number of revolutions, we apply the first kinematic equation;

\(\theta = \omega_i \ + \frac{1}{2} \alpha t^2\)

the initial angular velocity is zero,

\(\theta =0\ + \frac{1}{2} (2.13) (23.2)^2\\\\\theta = 573.2256 \ Rad\)

Find how many revolutions that are in 573.2256 Rad

\(N = \frac{\theta}{2 \pi} = \frac{573.2256}{2\pi} \\\\N = 91 \ revolutions\)

Therefore, the automobile tire rotates 91 revolutions

A cosmic-ray electron moves at 7. 5 × 10^6 m/s perpendicular to earth’s magnetic field at an altitude where the field strength is 1. 0 × 10^-5t. What is the radius of the circular path the electron follows?.

Answers

4.266 m is the radius of the circular path the electron follows

Electron's speed = 7.50 × 10⁶ m/s

Magnetic field, B = 1 × 10⁻⁵ T

Electron's mass. m = 9.11 × 10⁻³¹

Charge of electron, q = 1.6 × 10⁻¹⁹

We know the relation of radius of curvature, = 4.266 m

What is a circle's radius of curvature?

Every point on a circle has a curvature that is equal to the reciprocal of the radius; for other curves (and straight lines, which can be thought of as circles of infinite radius), the curvature is equal to the reciprocal of the radius of the circle that at that point most closely approximates the curve.

The curvature's reciprocal, R, is the radius of curvature in differential geometry. It is equal to the radius of the circular arc that, at that moment, most closely resembles the curve for a curve. The radius of curvature for surfaces is the diameter of a circle that, individually or in combination, best fits a normal section.

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I NEED HELPP!!!
Calculating the Value of an Unknown Resistor

I NEED HELPP!!! Calculating the Value of an Unknown Resistor

Answers

The answer to that would be gibberish times 5 minus 10

Which statement describes one of the main principles of Dalton's atomic theory? Elements of the same atom are identical. O Atoms of the same element are different. O Elements of the same atom are different. Atoms of the same element are identical.​

Answers

Dalton's atomic theory is related to the characteristics of atom. The statement describes one of the main principles of Dalton's atomic theory is atoms of same element are identical.

What is Dalton's atomic theory?

The Dalton's theory states that All matter is composed of extremely small particles called atoms and Atoms of a given element are identical in size, mass, and other properties. Atoms of different element are different.

Hence, the statement describes one of the main principles of Dalton's atomic theory is atoms of same element are identical.

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A ball is dropped from rest from the top of a building. What force is responsible for th
O the force of gravity
the force of tension
the normal force
the pushing force

Answers

Answer:

the force of gravity

Explanation:

I HOPE it will help you

Answer:

force of gravity

Explanation:

explosions in one dimension: jacques and george meet in the middle of a lake while paddling in their canoes. they come to a complete stop and talk for a while. when they are ready to leave, jacques pushes george's canoe with a force right ray(f) to separate the two canoes. if we can neglect any resistance due to the water, what is correct to say about the final momentum and kinetic energy of the system consisting of the two canoes and the two men inside?

Answers

Answer:

The final momentum is zero but the final kinetic energy is positive

Explanation:

Why are food webs better representations of how energy moves through an ecosystem than food chains?

Answers

Food webs are better representations of how energy moves through an ecosystem than food chains because these diagrams can exhibit how a particular trophic group obtains energy from different sources.

What are Food webs?

Food webs are interconnected complex diagrams showing the sources of energy that a given group use to maintain their homeostatic internal balance by eating these different sources, while food chains represent linear relationships.

In conclusion, food webs are better representations of how energy moves through an ecosystem than food chains because these diagrams can exhibit how a particular trophic group obtains energy from different sources.

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A 45kg sled is being pulled from camp by 5 dogs each capable of exerting 25N force on the sled. If the sled starts from rest and the frozen ground exerts 15N of friction, how far will the sled be from the camp after 7s?

Answers

Answer:

58.8m

Explanation:

What’s the substance that is formed as the result of a chemical reaction?
A. Chemical reaction
B. Catalyst
C. Activation energy
D. Collision theory
E. Products
F. Reactants
G. Reaction rate

Answers

Answer:

d

Explanation:

ok this is the one i need help with but no
links bc i know its viruses

ok this is the one i need help with but no links bc i know its viruses

Answers

Answer:

polar covalent bonding

Explanation:

Water (H2O) is polar because of the bent shape of the molecule. The shape means most of the negative charge from the oxygen on side of the molecule and the positive charge of the hydrogen atoms is on the other side of the molecule. This is an example of polar covalent chemical bonding.

The above person is correct, have a nice day y’all

The kinetic and potential energies of an object both always depend on which property?.

Answers

Answer:

the object's position.

Explanation: might help ion know

Which material is a poor thermal insulator?
air
iron
feather
plastic

Answers

Answer:

Iron

Explanation:

Iron, a metal, is a good conductor, and therefore a poor insulator.  The other choices are good insulators.

sest yourse 1. A pencil lies on the dashboard of a car. a) i) What happens to the pencil when the car suddenly stops? suddenly accelerates​

Answers

Answer:

1. the pencil would have the momentum and would keep going until it hits the windshield. 2. when the car suddenly accelerates, the pencil would be inert and it would move toward the back of the car until a constant speed from the car is reached.

T/F The sign of the angular velocity vector is always in the direction of the rotation

Answers

True, the sign of the angular velocity vector is always in the direction of rotation. Angular velocity is a vector quantity that describes the rate of change of angular position of an object with respect to time. The direction of the angular velocity vector is determined by the right-hand rule, where the direction of rotation is the direction of the thumb and the direction of the angular velocity vector is the direction of the curled fingers around the thumb.

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according to this graph, the minimum size of an object that could cause a mass extinction is a little less than _____.

Answers

According to this graph, an object that would cause a mass extinction would need to be at least 10 km is diameter.

What is object and example?

Any word (or pronoun) that forms the subject of a verb or preposition is referred to as an object. There are three categories of items: Straight Thing (e.g., I know him.) Unrelated Item (e.g., Give her the prize.) Prepositional Object (e.g., Sit with them.)

What is object a sentence?

An expression's subject. The subject's verb's action upon a person, place, or thing is typically called the object. As you might expect, looking for the pronoun or the noun that follows the verb is the quickest approach to identify the subject in a simple sentence.

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the volume of 1 mole of any gas at stp is 22.4 l. TRUE OR FALSE

Answers

The statement "the volume of 1 mole of any gas at STP is 22.4 L" is true because the volume of 1 mole of any gas at STP is 22.4 L. This is known as the molar volume of a gas. STP stands for Standard Temperature and Pressure, which is defined as 273.15 K (0°C) and 1 atm.

The statement is true. According to the ideal gas law, at Standard Temperature and Pressure (STP), which is defined as 0 degrees Celsius (273.15 Kelvin) and 1 atmosphere (101.3 kilopascals or 760 mmHg) of pressure, one mole of any gas occupies a volume of 22.4 liters. This relationship is known as the molar volume of a gas at STP.

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a reaction that happens when one substance breaks down into two or more substances

Answers

Answer:

decomposition reaction

Explanation:

decomposition reactions occurs when one substance breaks down, or decomposes, into two or more substances

The __ variable is sometimes called the “manipulative ” because

Answers

Answer:

Independent.

Explanation: The Independent variable is sometimes called the "manipulative" because it refers to a quantity that is changed by the experimenter.

It takes 6 people pulling with a force of 500. N each to begin moving the opposing team which was pulling with a combined force of 2500. N during a match of tug-of -war. If the total mass of both teams was 2000. kg, what was the force due to static friction? HELP ME .

Answers

From the calculations, we have the coefficient of friction as  0.026.

What is the coefficient of static friction?

We know that friction has to do with the force that tends to oppose the motion of an object. As such, the point where the force of friction acts is actually the surface that lies between two bodies.

Now, we can see that It takes 6 people pulling with a force of 500 N each to begin moving the opposing team which was pulling with a combined force of 2500 N. This implies that the total force of the people that are pulling from this other side is 6 (500N) = 3000 N

Now we have the net force that is acting on the the rope as; 3000 N - 2500 N = 500 N

Then;

Coefficient of friction = Net force/ Normal reaction

= 500 N/(2000 * 9.8) N

= 0.026

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can anyone help me with this please

can anyone help me with this please

Answers

Answer:0.99 N

Explanation:

1200 N               F

||||||||||||      =   |||||||||||||||||||

3.2 m2             0.0075m2

F=0.99

Click the orange reset button. Now place the trash can on top of the box. Press the right arrows button until you see the box start to move. Fill out the information below

Answers

It needs a picture there no information in this text

Answer:

Time (minutes) A B

0 48 2

1 43 7

2 42 8

3 35 15

4 30 20

5 23 30

6 17 23

7 19 31

8 14 36

9 10 40

10 9 41

11 11 39

12 5 45

13 11 39

14 10 40

15 8 42

Explanation:

plato

Our most detailed knowledge of Uranus and Neptune comes from:
A) spacecraft exploration.
B) the Hubble Space telescope.
C) ground based visual telescopes.
D) ground based radio telescopes.
E) manned missions.

Answers

A) spacecraft exploration.

Our most detailed knowledge of Uranus and Neptune comes from spacecraft exploration. The Voyager 2 spacecraft provided the most extensive and up-close observations of both Uranus and Neptune during its flybys in 1986 and 1989, respectively. These missions provided valuable data on the atmospheres, compositions, magnetic fields, and moons of both planets. Prior to these missions, our knowledge of Uranus and Neptune was limited to ground-based observations, but the spacecraft exploration significantly enhanced our understanding of these outer planets. The Hubble Space Telescope has also contributed to our knowledge of Uranus and Neptune, but it is primarily the spacecraft missions that have provided the most detailed information.

Our most detailed knowledge of Uranus and Neptune comes from spacecraft exploration. NASA's Voyager 2 spacecraft was the first and only spacecraft to fly by both Uranus and Neptune, providing us with a wealth of data and images of these distant gas giants.

The spacecraft conducted numerous flybys, capturing detailed images and measurements of their atmospheres, magnetic fields, and moons. The Hubble Space Telescope has also contributed to our understanding of Uranus and Neptune, but its observations have been more limited compared to the data obtained from spacecraft. Ground-based visual and radio telescopes have also been used to study these planets, but their observations are limited by the Earth's atmosphere. Manned missions have not yet been sent to explore Uranus or Neptune.

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which change of state is shown in the photo

A) Liquid to solid
B) Liquid to gas
C) Gas to liquid
D) Solid and liquid

which change of state is shown in the photo A) Liquid to solid B) Liquid to gas C) Gas to liquid D) Solid

Answers

The change of state that is shown here is from solid to liquid. The correct option is D.

What is states of matter?

A state of matter is one of the various forms that matter can take in physics. In everyday life, four states of matter are visible: solid, liquid, gas, and plasma.

In most environments, matter can exist in three distinct physical states: solid, liquid, and gas. In extreme environments, other states such as plasma, Bose-Einstein condensate, and neutron stars may exist.

Here in the given image, ice which is a solid is getting transformed into water i.e., liquid, so it can be considered that the phase is transforming from solid to liquid.

Thus, the correct option is D.

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