[tex]
\mathbb \blue{Answer }[/tex]
[tex]Introducing \: \: a \: dielectric \: \: into \: \\ a \: \: capacitor \: \: decreases \: \: \\ the \: \: electric \: \: field, \: \: \\ which \: \: decreases \: \: the \: \: \\ voltage, \: \: \ which \: \: increases \: \: the \: \: \\ capacitance. \: \: A \: capacitor \: \: with \: a \: \\ dielectric \: \: stores \: the \: \\ same \: \: \ charge \: \: as \: one \: \\ without \: \: a \: dielectric, \: but \: at \: \\ a \: \: lower \: \: voltage. \: \: \\ Therefore \: \: a \: \: capacitor \: \: with \: \: a \: \\ dielectric \: \: in \: \: it \: \\ is \: \: more \: \: effective \: [/tex]
[tex]\mathbb \blue{ I \: hope \: it's \: helpful \: \: for \: you }[/tex]
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What conclusion can be made about the relationship between the wavelength of light and the angle of refraction?
From the data in the given table, it can. be concluded that the angle of refraction decreases with increasing wavelength.
What is wavelength of light wave?The wavelength of a wave is the distance between two successive points on the wave.
The wavelength of a wave is usually measured in metres.
The angle of refraction is the angle to which a wave is bent from the normal.
The color of light that has the shortest wavelength is Red while violet has the longest wavelength.
From the table provided, it can be seen that the angle of refraction decreases with increasing wavelength.
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Two speakers, A and B, produce identical sound waves. A listener is 3.20 m from speaker A. The listener finds the lowest frequency that creates constructive interference at his location is 72.4 Hz. How far away is he from speaker B? WILL MARK BRAINLIEST
Answer: 7.94
7.94
Explanation: i got u
Two speakers, A and B, produce identical sound waves. A listener is 3.20 m from speaker A. The listener is 2.367 meters away from speaker B.
The distance between a listener and a speaker for constructive interference is given by:
Distance = (m × λ) ÷ 2
The speed of the sound is given by:
v = f × λ
Where:
v is the speed of sound
f is the frequency (72.4 Hz)
The wavelength obtained is:
λ = v ÷ f
λ = 343 ÷ 72.4
λ = 4.734 m
Since the listener is experiencing constructive interference, the order of interference (m) is likely 1:
Distance = (m × λ) ÷ 2
Distance = (1 × 4.734) ÷ 2
Distance = 2.367 m
Therefore, the listener is 2.367 meters away from speaker B.
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A star of apparent magnitude +1 appears _____ than a star of apparent
magnitude +2.
O fainter
O farther away
o either brighter or fainter, depending on the distance to the stars
O brighter
A star of the apparent magnitude of +1 would appear farther away than a star of the apparent magnitude of +2. Hence, option B is correct.
What is a star?In astronomy, a star is a brilliant plasma spheroid that is held together through gravity. The Sun is the planet's closest star. The human eye can see a great number of other stars at night, but due to our planet's size, they seem alike stationary points of light.
Numerous of the shining stars were given names, whereas the most notable stars have been grouped into constellations and asterisms. The known stars have been recognized and given standard designations in star inventories that astronomers have put together.
The birth of a star is caused by the gravitational attraction of a gaseous nebula made largely of hydrogen, helium, and traces of transition metals. Its overall mass is the primary factor influencing how it will develop and end up.
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I need help this is for physical Science! (need asap)
Answer:
2 seconds
Explanation:
mhm
what is the density of the acid in a car battery if 200 mL of acid has a mass of 240 g
Answer:
d = 240 g/200 mL = 1.2 g/mL = 1.2 g/cm3
Explanation:
What planet is named for the roman god of commerce, travel, and thievery?.
Answer:
The answer would be Mercury.
Explanation:
Due to its fast travel across the sky, the planet has been given this name. Mercury was named for the fast-moving messenger god of Rome. The planets received their names from the ancient Greeks because they believed that the moving stars in their night sky were their gods going about their activity, so... the planets were named after Roman gods.
Hope this helps! :D
What direction would the north pole of a bar magnet point if you were to hang the bar magnet from a thin string?.
A box is pushed 7 m to the left in 3 s. What is the block's average speed to the
nearest tenth?
2. 33 m/s
0. 43 m/s
2. 3 m/s
0. 4 m/s
Answer:
2.3 m/s
Explanation:
Speed is measured in m/s
7 m / 3 s = 2.3 m/s ( to the nearest tenth)
The average speed of block is 2.33 m/s.
What is the relation between Speed, Distance and Time?Speed is distance travelled by time.Therefore Speed = Distance / TimeS = D / THow to calculate the average speed of the box?The distance travelled by a box is 7 m.A box is travelling 7 m for 3 second.So, from the formula,
∴ S = D / T
∴ S = 7 / 3
∴ S = 2.333 m/s
To the nearest tenth, S = 2.3 m/s.
Thus, The average speed of block is 2.33 m/s.
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Whcen the north pole is tilted toward the sun, which area has the fewest hours of daylight?.
When the north pole is tilted toward the sun, the southern hemisphere has the fewest hours of daylight due to winter season in it.
Which area has the fewest hours of daylight?When the North Pole is tilted toward the sun, the Northern Hemisphere has the most hours of daylight while on the other hand, the Southern Hemisphere has the least hours of daylight.
So we can conclude that When the north pole is tilted toward the sun, the southern hemisphere has the fewest hours of daylight due to winter season in it.
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The ____ of emitted light depends directly on the energy between the two orbits and this determines the color of the light
The frequency of emitted light is directly proportional to the energy between the two orbits and this determines the color of the light.
What is light?Light can be defined as a form of electromagnetic waves that does not require any medium for its propagation. This ultimately implies that, light is a form of wave that is generally referred to as a visual signal because it can be seen with the eyes.
According to the model of light wave, the frequency of emitted light is directly proportional to the energy between the two orbits and this determines the color of the light.
In conlcusion, the frequency of emitted light is highly dependent on the energy between the two (2) orbits.
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You wish to design an anti-reflection coating optimized for a particular wavelength of light. For that wavelength, you want thin-film interference that is
Answer:
destructive i.e. colour of light wont reflect from film
Explanation:
An anti-reflection (AR) coating needs to have zero reflectance in air for light with a wavelength equal to four times the coating thickness.
What is meant by anti-reflection coating ?Lens surfaces, other optical components, and photovoltaic cells can all benefit from an anti-reflection (AR) coating, which is a form of optical coating used to reduce the reflection.
Here,
Anti-reflective coatings are utilised in a wide range of applications where it is desirable to have low loss or low reflection of light as it travels through an optical surface.
The simplest interference anti-reflective coating consists of a single, extremely thin layer of transparent material with a refractive index equal to the square root of the substrate's refractive index. A coating of this type should theoretically have zero reflectance in air for light with a wavelength (inside the coating) equal to four times the coating thickness. For wavelengths in a wide band around the centre, reflection is similarly reduced. A "quarter-wave layer" is a layer that has a thickness equal to one-fourth of a design wavelength.
Hence,
An anti-reflection (AR) coating needs to have zero reflectance in air for light with a wavelength equal to four times the coating thickness.
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if the north pole of one magnetic is brought near the south pole of another magnet, the poles will
Answer: Heyo Kenji Here! Here's your answer-If the north pole of a magnet is brought near the south pole of another magnet, they will get attracted towards each other.
Explanation: Hope this helps!
Have a nice day!
- Kenji ^^
Answer:
If the north end of a magnet is brought near the south end of another magnet, they will get attracted towards each other. Remeber oppsites attrcat. The same repeal.
Explanation:
Hope This Helps
Have A Great Day
~Zero~
If a bug with a mass of 5 grams flies into the windshield of a moving 1000 kg bus, which will have the most force?
A. The bug on the bus
B. The bus on the bug
Both will have equal forces because the force exerted on the bus will be equal to the force experienced by the bug.
Newton's third law of motionNewton's third law of motion states that action and reaction are equal and opposite.
This implies that, the force exerted on an object is equal to the reaction experienced by the object.
Fa = -Fb
The force exerted on the bus will be equal to the force experienced by the bug.
Thus, both will have equal forces.
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A proton is to orbit Earth at the equator using Earth's magnetic field to supply part of the necessary centripetal force. In what direction should the proton move
Describe the composition of humus and why it is an effective organic fertilizer
Its actually science but that’s not an option
Answer:
soil additive
Explanation:
Soil Additive
The three main components of humus are fulvic acid, humic acid and humin. The spongy nature of humus helps it to trap and hold water, this particular property also helps to aerate the soil as humus expands and contracts with available water.
ACTIVITY 3: THE CHOICE IS YOURS!
Directions: Read each item carefully. Choose the letter of the best answer.
____1. What is the advantage of an electromagnet compared to a permanent magnet?
A. Electromagnet is lighter.
B. Electromagnet can be turned on and off.
C. Permanent magnet cannot be used to pick up metals.
D. Electromagnet can be used for attracting more metals.
____2. What are the factors that affect the strength of an electromagnet?
A. Battery, magnet, and core
B. Dry cells, nail, and magnet
C. Number of coil, number of magnets, and wire
D. Number of coils/wire, number of batteries/dry cells, and properties of the core
____3. What could make an electromagnet stronger?
A. Use a weaker battery.
B. Reverse the poles of the magnet.
C. Remove all the coils and the nail.
D. Add more coils of wire to the nail.
____4. Complete this sentence:
"In order to form an electromagnet, a/an _______ current should flow through a coil of
______ covered around a/an ______ core. "
A. Electric, wire, iron C. Iron, electric, wire
B. Iron, wire, electric D. Wire, iron electric
_____5. You conducted an experiment using a very strong electromagnet. How can
you make it weaker?
A. Add more loops. C. Add more batteries.
B. Use a thicker wire. D. Wrap the wire loosely.
(LAS)-Science week 6 QR-3
Answer:
1 B 2 D 3 D 4 DC wire ferrite 5 D
Explanation:
Read solar basics and use the information to answer the question. what factors affect the amount of solar energy that reaches the earth’s surface?
Explanation: The amount of solar energy available varies by location on earth, the time of the day at that location, the season and weather conditions. Rain, fog, and clouds will lower the amount of solar power available to gather and there are fewer hours of sun available in different seasons (winter for North America). To gather solar power, you also need a large area. This can be lessened by conditions such as snow, so that even on a sunny day, covered panels will collect less energy.
Answer:
.
Explanation:
The quantity of solar energy accessible varies by location on the planet, time of day, season, and weather conditions. Rain, fog, and clouds reduce the quantity of solar power available for collection, and various seasons have less hours of sunlight accessible (winter for North America). A big region is also required to collect solar electricity. Conditions such as snow can reduce this, such that even on a sunny day, covered panels will absorb less energy.
A cat pushes a 0.25 kg toy across the floor, causing it to accelerate at 32 m/s?. What
net force would the cat have had to apply to the toy in order to cause this acceleration?
Answer:
8 N
Explanation:
F = ma, therefore F = 0.25 kg * 32m/s^2.
When air moves from a region of high pressure to a region of low pressure, with no addition or subtraction of heat, Choose one: A. it expands. B. it contracts. C. its molecules speed up. D. it undergoes adiabatic heating.
When air (ideal gas) moves from a region of high pressure to a region of low pressure, with no addition or subtraction of heat, it expands.
What is Isothermal expansion of ideal gas?Isothermal expansion of an ideal gas involves increase in the gas volume at constant temperature. The volume of the gas increases while its pressure decreases.
When air moves from a region of high pressure to a region of low pressure, it is no longer adiabatic (constant pressure).
Thus, when air (ideal gas) moves from a region of high pressure to a region of low pressure, with no addition or subtraction of heat, it expands.
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What is wave speed ? A. the distance a wave travels in a given amount of time B. the height of a wave C. the same no matter what the medium D. the distance between two similar points on a wave
Answer:
The answer is A
Explanation:
The distance that a wave length travels
Answer:
The correct Answer is A. The distance a wave travels in a given amount of time.
Hope this helps you!!!
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Iron man crashes into a parked car with a force of 8,000 newtons, resulting in a acceleration of 1.14 m/s. if the car has a mass of 1000 kg what is the coefficient of kinetic friction between the car tires and the road?
Answer:
0.8
Explanation:
F=uR
F=8,000N
R= 1000*10=10000
u=F/R
u= 8000/10000
u=0.8
If bamboo, which can grow 88 cm in a day, is grown for five days and then used to make a simple pendulum, what will be the pendulum’s period?
Answer: 3.766 seconds
Explanation:
[tex]$$ Total length of bamboo $=4 \times 88 \mathrm{~cm}=352 \mathrm{~cm}=3.52 \mathrm{~m}$\\Pendulum's period $=2 \pi \sqrt{\frac{L}{g}}\\ $=2\pi \sqrt{\frac{3.52}{9.8}} \\=3.766 \mathrm{sec}$$[/tex]
Why does the moon appear to move across the sky during the night?.
Usually it appears that the moon is moving because of the clouds! if there's no clouds then it's just kinda an illusion you get in the car lol because the car moves but the moon stays in the same place, and because it's so big you can see it anywhere!
Nerdy answer: Because Earth rotates on its axis from west to east :I
Usually it appears that the moon is moving because of the clouds! if there's no clouds then it's just kinda an illusion you get in the car lol because the car moves but the moon stays in the same place, and because it's so big you can see it anywhere! Nerdy answer: Because Earth rotates on its axis from west to east :I
1. What type of wave is sound? Does sound need a medium (substance) to travel through?
2. What are the properties of sound waves?
Answer:
1. What type of wave is sound?
2.Does sound need a medium to travel through?
3. What are the properties of sound waves?
Explanation:
1. The type of waves sound are is mechanical waves.
2. Sound needs a solid, liquid or gas (material medium) to travel through.
3. I believe they are wavelength, amplitude, frequency, time period and velocity.
I apologize if it is incorrect-
I hope it helps! Have a great day!
Anygays-
Huge loops of gas that link different parts of sunspot regions are called.
Answer:
Prominences
Explanation:
Kate wants to know which foil paper keeps bread fresher. She wraps three identical
pieces of bread in different types of Foil paper. She placed the pieces of bread in her
kitchen counter for one week. What scientific term describes the pieces of bread?
A.constant
B. responding variables
C. prediction
D. manipulated variables
A. constant
Answer:
hi
Explanation:
The answer is Responding Variables Hope this helps :D
The map represents the state of California. The San Andreas Fault and several associated faults have been labeled, as well as seven major cities. Use the map and your knowledge of science to answer the questions below.
California fault lines
Earthquakes are likely to occur along the San Andreas Fault.
What type of fault is it?
How are plates moving at this type of fault?
Which labeled city has the greatest risk of damage from an earthquake occurring along the San Andreas Fault? Why is it at the greatest risk?
Answer:
Earthquakes are likely to occur along the San Andreas Fault.
Explanation:
Would a glowing rod be hotter if it was white or red? Why?
Answer:
White
Explanation:
Red comes from the lowest energy range of and blue from the highest.
What is the angle of incidence if the total angle between the incidence ray and reflected ray is 70⁰
Answer:
35°
Explanation:
By laws of reflection,
Angle of incidence = Angle of reflection
Angle between incident ray and reflected ray = 70°
Angle of incidence + Angle of reflection = 70°
Since,
Angle of incidence = Angle of reflection
Angle of incidence + Angle of incidence = 70°
2 Angle of incidence = 70°
Divide 2 on both sides,
Angle of incidence = 70° / 2
Angle of incidence = 35°
What gas law states that volume and pressure are inversely proportional at constant temperature and moles?.
Answer: Boyle's Law
Explanation:
Boyle's law states that the volume and pressure are inversely proportional to each other at constant temperature and moles
Ie. Boyle’s law: PV = constant at constant T and n or:
[tex]P_{1} V_{1}=P_{2} V_{2}[/tex]