Answer:
The correct answer should be high amplitude : )
Explanation:
A high energy wave is characterized by a high amplitude, a low energy wave is characterized by a low amplitud
Rhonda has a solar panel on her roof that transforms light energy into electrical energy. This electrical energy is then transferred to an insulated storage tank in her garage, where it is used to heat water in the tank. Assuming this is a closed system, which of the following best describes the energy transformation in this system?
A.
The majority of the electrical energy produced in the system is destroyed as it is transferred to the water tank.
B.
The amount of heat energy produced is much greater than the amount of electrical energy in the system.
C.
The majority of the light energy that initially enters the system is lost to the air surrounding the water tank.
D.
The amount of light energy that enters the system is equal to the amount of heat energy that is produced.
Option A and C best describes the energy transformation in this system. This electrical energy is then transferred to an insulated storage tank in her garage.
What is the law of conservation of energy?According to the Law of conservation of energy,Energy can not be created nor be destroyed, it can transfer from one to another form.
The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.
The following best describes the energy transformation in this system is;
A. The majority of the electrical energy produced in the system is destroyed as it is transferred to the water tank.
C. The majority of the light energy that initially enters the system is lost to the air surrounding the water tank.
Hence, option A and C are correct.
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Answer:
The amount of light energy that enters the system is equal to the amount of heat energy that is produced.
Explanation:
I got it on study island
As the distance from a charged particle, "q", increases, what happens to the electric potential?
it stays the same.
it decreases.
it increases.
As the distance from a charged particle, "q", increases, the electric potential decreases.
Electric potential between particlesThe electric potential between particles is the work done in moving a unit charge from infinity to a certain point against the electrical resistance of the field.
V = Kq/r
where;
K is Coulomb's constantq is the magnitude of the charger is the distance between the chargesThus, from the formula above, as the distance from a charged particle, "q", increases, the electric potential decreases.
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who discovered the laws of physics
Answer: Isaac Newton
Explanation: Isaac Newton is popularly remembered as the man who saw an apple fall from a tree, and was inspired to invent the theory of gravity. If you have grappled with elementary physics then you know that he invented calculus and the three laws of motion upon which all of mechanics is based.
why do waves carry energy but not matter
Answer:
The particles 'take part' in the wave by bumping into one another and transferring energy. This is why energy can be transferred, even though the average position of the particles doesn't change.
Explanation:
When light of wavelength 160 nm falls on a gold surface, electrons having a maximum kinetic energy of 2. 66 ev are emitted. Find values for the following
When the light of wavelength is falling on gold surface, the electrons begin to exchange energies.
a)The work function in eV is Φ =5.097 eV.
b) The cut-off wavelength is λ₀ = 243.71 nm
c) The frequency is ν₀ =1.231 × 10¹⁵ Hz
What is work function?The energy needed for a particle to escape and break through the surface.
The kinetic energy of the light emitted is 2.66 eV and wavelength of the light is 160 nm = 160 × 10⁻⁹ m.
a) The work function of the gold for given maximum kinetic energy is
Φ = hc / λ - K.Emax
Substituting 6.626 × 10⁻³⁴ J.s for h, 3 × 10⁸ m/s for c and 2.66 eV for K.Emax, work function will be
Φ =8.16 × 10⁻¹⁹ J
1 eV = 1.6 × 10⁻¹⁹
The work function in eV is Φ =5.097 eV.
b) The cutoff wavelength is related to work function as
λ₀ = hc / Φ
Substitute the corresponding values into the equation, we get the cut off wavelength
λ₀ = 243.71 nm
c) The frequency corresponding to the cut-off wavelength is
ν₀ = c / λ₀
Substitute the corresponding values into the equation, we get the frequency,
ν₀ =1.231 × 10¹⁵ Hz
Therefore, the values for the following are
a)The work function in eV is Φ =5.097 eV.
b) The cut-off wavelength is λ₀ = 243.71 nm
c) The frequency is ν₀ =1.231 × 10¹⁵ Hz
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True or false. A solvent is the part of a solution that dissolves the solute
Answer:
True
Explanation:
I'm not exactly sure on this , but A solution is made up of two components. Namely,
1. The solvent
2. The solute
The solute has a lower percentage in the solution while the solvent has a higher percentage in the solution so yes, the solvent is used to dissolve the solute
If sound a has a frequency of 450 hz and sound b has a frequency of 447 hz, how many beats will you hear when both are played together?
a. 0 beats per second
b. 3 beats per second
c. 6 beats per second
d. 1 beat per 3 seconds
Answer:
B. 3 beats per second.
Explanation:
I got the same question in gizmos and got it right.
Digital information can be sent through the vacuum if space, but the information must be-. A. below a certain size. B. converted to wave pulses C. encrypted for security reasons. D.sent in only one direction
Digital information can be sent through the vacuum if space, but the information must be converted to wave pulses. The correct option is B.
What is digital information?The digital information consists of data generated by the electrical systems. For examples, computers, screens, scientific calculators or any communication devices.
The electromagnetic waves do not require medium, So, they can travel through vacuum. So, Digital information can be sent through the vacuum or space.
Therefore, the correct option is B.
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A friend frequently misses the morning
school bus. Use the scientific method to
address this problem.
Answer: Heyaa! ~
State of the problem is that your friend routinely misses the school bus.
Explanation:
What are the causes for his missing the school bus:
Not waking early enoughToo long breakfastToo far to the bus stop.Deliberately tries to miss the bus.Hopefully this helps you!
-Matthew ^^
PLEASE HELP ME PLS PLS Imagine an object held at some height above the ground. It is released and falls toward the ground. Ignoring air resistance or friction, which of the following must be true?
a
Before it falls, all of its energy must be potential energy
b
At the end of its fall, all of its energy must be converted to kinetic energy
c
During its fall, the combination of its kinetic and potential energy must equal the amount of potential energy with which it started
d
Total energy = Kinetic Energy + Potential Energy
e
All of the above
Option e is true. The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.
What is the law of conservation of energy?
According to the Law of conservation of energy. Although energy cannot be generated or destroyed, it may be transferred from one form to another.
The following statements are true;
a)All of its energy must be potential energy before it falls.
b)At the conclusion of its fall, all of its energy must be transformed to kinetic energy.
c)During its fall, the sum of its kinetic and potential energy must match the initial quantity of potential energy.
d)Total energy = Kinetic Energy + Potential Energy.
Hence, option e is correct.
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describe how the *weight* of a spacecraft would compare between when it was on earth and when it was on the moon.
describe how the *mass* of a spacecraft would compare between when it was on earth and when it was on the moon
Answer:
The mass of a spacecraft is the same on earth as the moon.
W = F = M a the weight is different because the acceleration due to gravity is less on the moon than it is on earth.
On could choose a different mode of acceleration, say a compressed spring, and find that mass of an object does not depend on gravitational attraction. F = M a holds on the moon as well as on earth
The population of the United States releases approximately 17 x 10¹⁸ J of energy every year by burning gasoline for trucks and automobiles. Approximately how much mass in this equal to?
The equivalent amount of gas released by the population of the united states is : 1.89 * 10⁻¹⁶ kg
To determine the equivalent mass released by the populationWe will Convert the energy released in Joules ( 17 * 10¹⁸ J ) to mass using the conversion calculator. therefore aproximately the mass of energy released by the population is 1.89 * 10⁻¹⁶ kg.
Hence we can conclude that The equivalent amount of gas released by the population of the united states is : 1.89 * 10⁻¹⁶ kg.
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Magnetism is_____. Magnetism comes from ______found in the earth.
Answer:
Magnetism is a force . Magnetism comes from minerals found in the earth.
Object A has a temperature of 3 T. It comes in contact with Object B, which has a temperature of 2 T. Which of the following is true?(1 point)
Both objects will have the same temperature, larger than T but smaller than 2T.
What is the thermodynamic equilibrium?A system in equilibrium if there is no change in temperature after long time.
Assuming the system of two objects with the temperatures 3T and 2T.
When we put them together, heat transfer from the hotter object to the colder one takes place, until both of them have the same temperature
Also, the object with temperature 3T loses temperature, while the object with temperature 2T increases its temperature,
2T < T < 3T
Thus, both objects will have the same temperature, which is larger than 2T but smaller than 3T.
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The base of a hexagonal prism has an apothem measuring 10 inches and an area of 346.41 square inches. the prism is 12 inches tall. what is the approximate lateral area of the prism? round to the nearest whole number. 139 square inches 416 square inches 693 square inches 831 square inches
The approximate lateral area of the prism is determined as 831 square inches.
What is lateral area of the hexagonal prism?
The lateral area of the hexagonal prism is calculated as follows;
LA = PH
where;
P is perimeter of the prismH is heightA = ¹/₂Pa
where;
a is apothem = 10 inchesA is base area = 346.41 in²346.41 = ¹/₂(10)P
346.41 = 5P
P = 346.41/5
P = 69.282 inches
LA = PH
LA = 69.282 x 12
LA = 831.38 in²
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Answer:
it's D on edge
Explanation:
Identify trends in physical properties based on intermolecular forces
The Boiling point,melting point, surface tension and viscousity will increase while the Vapor pressure will decrease.
What are intermolecular forces?Intermolecular forces are the forces that bind two molecules together. Physical properties are affected by the strength of intermolecular forces
An increase in the strength of intermolecular forces increases will lead to an increase in force applied to break the barriers posed by the strength of the molecules.
This increased intermolecular strength will cause a rise in boiling point,melting point, viscousity and surface tension.
The Vapor pressure reduces with increasing intermolecular strength. Vapor pressure is the amount of vapor that is equilibrium with its own liquid or solid. Hence,with increasing intermolecular strength the amount of vapor that is in equilibrium with its own liquid will reduce.
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A diffraction-limited laser of length L and aperture diameter 0.50 cm generates light of wavelength 700nm . If the beam is directed at the surface and the radius of the illuminated area on the surface is approximately 45cm, how far away is the surface
The distance of the surface illuminated by the light of the given wavelength is 5,269.32 m.
Distance of the surface
The distance of the surface illuminated by the light of the given wavelength is calculated as follows;
D = (rd)/(0.61λ)
where;
r is the radius of the illuminated area = 45 cm = 0.45 md is the diameter of the diameter = 0.5 cm = 0.005 mλ is wavelength = 700 nm = 700 x 10⁻⁹ mD = (0.45 x 0.005) / (0.61 x 700 x 10⁻⁹)
D = 5,269.32 m
Thus, the distance of the surface illuminated by the light of the given wavelength is 5,269.32 m.
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Can someone please answer this, ill give you brainliest Would be very appreciated.
Answer:
Carbonation
Explanation:
Carbonation will increase due to the addition of greenhouse gases in the atmosphere.
Defining carbonation :
When rainwater hits rock it decomposes it or eats it away. This is known as carbonation. This occurs when slightly acidic (carbonic) rain or seawater comes into contact with sedimentary rock, such as limestone or chalk, it causes it to dissolve.
What happens to the energy of a wave if the amplitude is doubled?
Which of the following are possible ways to rotate the turbine in a generator?
steam
wind
falling water
all of the above
If you pushed a car 25 m and did 60 kJ of work, how much
force did you use?
Given the amount of work done in pushing the car over the given distance, the amount of force applied is 2400 Newtons.
What is work done?Work done is simply defined as the energy transfer that takes place when an object is either pushed or pulled over a certain distance by an external force. It is expressed as;
W = F × d
Where f is force applied and d is distance travelled.
Given that;
Work done W = 60kJ = (60×1000)J = 60000J = 60000kgm²/s²Distance covered d = 25mForce applied F = ?W = F × d
60000kgm²/s² = F × 25m
F = 60000kgm²/s² ÷ 25m
F = 2400kgm/s²
F = 2400N
Given the amount of work done in pushing the car over the given distance, the amount of force applied is 2400 Newtons.
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) Angelique lands on the trampoline.
She bends her knees and pushes hard against the trampoline.
Complete the sentence.
Choose the best word from the list.
force friction mass weight
Angelique exerts more .............................................................. so she jumps higher
please help asap choose answer from the list
Pictured below is a 34 kg rock sitting on top of a cliff that is 23.6 m above the ground.
To the nearest joule, what is the gravitational potential energy of the rock?
to the nearest joule, what is the gravitational potential energy of the rock
Answer:
7872 J
Explanation:
PE=mgh
PE=34 * 9.81 * 23.6
PE = 7871.5 J ≈ 7872 J
Jason wants to conserve energy. he could:
ride the bus to and from work
write to his local congressman
change the type of paint used in his house
pass out flyers about the issue
If Jason wants to conserve energy, he could ride the bus to and from work.
What is the law of Conservation of energy?The law of Conservation of energy states that energy cannot be created nor destroyed but can be changed from one form to another.
There is no net change in conserving energy.
Thus, Jason conserves energy by riding the bus to and from work.
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What is the third most abundant gas in the atmosphere.
Answer:
Argon
Explanation:
Argon, an inert gas, is the third most abundant gas in the atmosphere.
PLEASE HELP ASAP I WILL GIVE YOU BRAINLEAST (15 POINTS)
*Everything in the universe is made up of matter or energy, including common everyday objects you use.*
Identify some ways that you've used energy today?
explain how that energy was transformed?
Answer:
Today my mom drove the car and when the car was standing it was potential energy but when the car started moving it turned into kinetic energy. Hope it helps.
Explanation:
Can someone please answer this, ill give you brainliest Would be very appreciated.
Answer:
molecular structure
Explanation:
Many of the water's unique properties come from its molecular structure.
They have polar covalent bonds. They are closely bonded together due to hydrogen's positive charge and oxygen's negative charged atoms.
Due to this water has melting point of 0 degrees and boiling point of 100 degrees.
Answer:
molecular structure
Explanation:
Many of water's unique properties come from molecular structure.
This is because water is polar and has hydrogen bonds.
Fill a clear glass or resealable plastic bag three-fourths full with water. Place the pencil in the water, and hold it vertically without spilling. Look at the pencil from the side. Describe what you see.
Answer:
The pencil will appear wider and bent
Explanation:
no explanation
A point charge of 9.00 × 10−9 C is located at the origin of a coordinate system. A positive charge of 3.00 × 10−9 C is brought in from infinity to a point such that the electrical potential energy associated with the two charges is 8.09 × 10−7 J.
A point charge is located at the origin of a coordinate system. A positive charge is brought in from infinity to a point. The charges are at distance for given electrical potential energy is 3.34 x 10⁷ m.
What is electric potential energy?The electric potential energy is the work done by a test charge to bring it from infinity to a particular location.
The electric potential energy is given by the relation,
V = kQ/r
where k = 9 x 10⁹ J.m/C ,Q = 3 x 10⁻⁹ C, V =8.09 × 10⁻⁷ J.
Substitute the values into the expression to get the distance between the charges.
8.09 × 10⁻⁷ = 9 x 10⁹ x 3 x 10⁻⁹ / r
r =3.34 x 10⁷ m
Thus, the distance between the charges will be 3.34 x 10⁷ m.
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URGENT
Give three examples of models that you see every day
