The question is maya most likely trying to answer is, how does the thickness of the wire affect the strength of an electromagnet?
What is effect of thickness of wire on strength of electromagnet?
From the experimental set-up by maya, we can determine the effect of thickness of wire on strength of electromagnet.
R ∝ 1/A
where;
R is resistance of the wiresA is area of the wires (from thickness or radius of the wire)As the thickness of the wire increases, the area of the wire increases and the resistance of the wire will decrease. As the resistance of the wire decreases, the current flowing in the wire increases as well.
Thus, the increase in the thickness of a wires increases, the strength of an electromagnet.
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Answer:
A
Explanation:
why are microwaves stronger than radio-waves?
Answer: Heyaa! ~
Microwaves have a little more energy than radio waves.
Explanation:
The prior difference between a radio wave and microwave is that the microwave has a shorter wavelength as compared to radio wave.
Hopefully this helps you!
- Matthew ^^
Microwaves have a higher frequency than radio waves so more information can be conveyed. Not only that, they have the ability to transmit signals over a long distance without losing any data.
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:
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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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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What happens to the energy of a wave if the amplitude is doubled?
HELP MEEEEEEEEE! what is the frequency corresponding to a period of 5.91 s? Answer in units of Hz
Answer:
frequency = 1/Period
= 1/5.91s
= 0.169204Hz
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.
Magnetism is_____. Magnetism comes from ______found in the earth.
Answer:
Magnetism is a force . Magnetism comes from minerals found in the earth.
Part B Next you'll investigate how precipitation varies throughout Earth. Visit the My NASA Data e website and select Data Set in the top left corner. Within the Hydrosphere category, select All Data. Within All data category select Precipitation, and then select Monthly Precipitation. After the new map appears, select Animate near the top of the page, and then select OK to see the animation. Set the time range on the animation for the most recent five years, and then click Submit. You can control the speed of the animation with the controls beneath the map. Question 1 Describe patterns you see in the precipitation on Earth. How do these patterns change during the course of a year and from year to year? Use lines of latitude and the amount of precipitation in millimeters/day (mm/day) in your description.
The patterns you see in the precipitation on Earth are that it is often distributed evenly or unevenly via:
Geographical methodTemporal methodSeasonal methodWhat is the pattern of precipitation on earth?The yearly precipitation over the Earth is found to be approximately about 100 cm (that is 39 inches).
Note that is one that is often distributed unevenly. The areas of highest rainfall is known to be in the equatorial zone and the monsoon area of Southeast Asia.
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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.
How do stars die?
Pls help
Answer: Stars die when their nuclear fuel runs out.
Explanation:
Answer: The final events of a star's life are determined by its mass. Massive stars swiftly burn through their hydrogen fuel, yet are hot enough to fuse heavier elements like helium and carbon.
Explanation:
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
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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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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A 2 kg ice cube is released from point A and slides on a frictionless track as shown in the figure. Determine the speed of the cube at points B and C.
According to the conservation of energy
Potential energy at any given instance is equal to the Kinetic energy as energy can neither be created nor be destroyedMass is 2kg=m
#A
h=5m
PE=mghPE
2(9.8)(5)10(9.8)98JNow
KE=98J1/2mv²=98J1/2×2v²=98Jv²=98Jv=√98v=9.4m/s#B
h=3.2m
PE:-
2(3.2)(9.8)6.4(9.8)62.7JNow
KE=62.7J1/2mv²=62.7v²=62.7v=√62.7v=7.9m/s#C
h=2m
PE
2(2)(9.8)4(9.8)39.2JNow
v²=39.2v=√39.2v=6.3m/sIf 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.
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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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
Is it accurate to say that galaxies take up most of the volume of space? Why or why not?
Answer:
ntergalactic space takes up most of the volume of the universe, but even galaxies and star systems consist almost entirely of empty space.
Explanation:
so to be exact galixes do make up most of the volume of space because galaxies are what make up space!
The diagram shows a positive charge moving in a magnetic field. a field of circles labeled b. there is a positively charged particle with a velocity vector pointing left labeled v. in which direction is the magnetic force acting on the charge? into the screen out of the screen up down
The magnetic force will be point upwards in perpendicular direction to the field.
What is the direction of magnetic force?The direction of the magnetic force on negative charge occurs in the opposite direction while it is directed to the positive charge direction.
From the given image and description, the positively charged particle with a velocity vector, v is pointing left, thus we can conclude that the magnetic force will be point upwards in perpendicular direction to the field.
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Answer:
c
Explanation:
A toy car with a mass of 3 kg starts at rest. A spring performs 220 J of work on the car. Using the Work-Energy Theorem determine the approximate final velocity of the toy car.
a) 660 m/s
b) 147 m/s
c) 73 m/s
d) 12 m/s
The final velocity of the toy car given the data from the question is 12 m/s (Option D)
What is velocity?This is defined as the rate of change of displacement with time.
However, the velocity of an object is related to its energy according to the following equation
E = ½mv²
Where
E is the energym is the massv is the velocityHow to determine the velocityFrom the question give above,the. following data were obtained
Energy (E) = 220 JMass (m) = 3 KgVelocity (v) = ?E = ½mv²
220 = ½ × 3 × v²
220 = 1.5 × v²
Divide both side by 1.5
v² = 220 / 1.5
Take the square root of both side
v = √(220 / 1.5)
v = 12 m/s
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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.
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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) 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
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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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:
27. A rock is lying at the top of a 2 m high cliff and it possesses a potential energy of 80 J. What
is the mass of the rock?
A 1.32 kg
B) 2.85 kg
C 3.94 kg
D) 4.08 kg
FINAL PLEASE HELP !!!
What is the energy of a photon with a wavelength of 245 nm
The energy of a photon with a wavelength of 245 nm will be 8.08 ×10⁻¹⁹ J. De Broglie relation is used to find out the energy.
What is wavelength?The distance between two successive troughs or crests is known as the wavelength. The peak of the wave is the highest point, while the trough is the lowest.
The relationship between the wave's wavelength,energy is;
[tex]\rm E = \frac{hc }{\lambda} \\\\ \rm E = \frac{6.6 \times 10^{-34} \times 3 \times 10^8}{245 \times 10^{-9}} \\\\ \rm E=8.08 \times 10^{-19}\ J[/tex]
Hence, the energy of a photon will be 8.08 ×10⁻¹⁹ J.
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Two waves have amplitudes of 10 m and 7 m, respectively. What are the maximum and minimum amplitudes of the resultant wave if they interfere first constructively, and then destructively?.
I hope this helps you....
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 ^^
