We have that for the Question "Describe what a high and low frequency electromagnetic wave look like:" it can be said that
A high frequency wave will have shorter wavelength whereas a low frequency wave will have long wavelengthA high frequency wave will have shorter period whereas a low frequency wave will have long periodA high frequency wave will be Faster whereas a low frequency wave will have slower
From the question we are told
Describe what a high and low frequency electromagnetic wave look like:
Generally the equation for the frequency is mathematically given as
[tex]f=\frac{1}{t}\\\\and\\\\f=\frac{v}{\lambda}\\\\[/tex]
Therefore
A high frequency wave will have shorter wavelength whereas a low frequency wave will have long wavelengthA high frequency wave will have shorter period whereas a low frequency wave will have long period
A high frequency wave will be Faster whereas a low frequency wave will have slower
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Anita rides a bicycle to market 60km from her house in 3.5 hours. What is Anita’s
speed?
Which of the following is an advantage of circuit breakers over fuses.
A.) It is easier to trip a fuse.
B.) Circuits get hot.
C.) Tripped circuit breakers do not need to be replaced.
D.) Fuses need to be replaced
One of the advantage of circuit breaker over fuses is tripped circuit breakers do not need to be replaced as fuse does power is in rapid restoration with breakers.
What are circuit breakers?A circuit breaker is an electrical device similar to electrical switches designed to protect the circuit from damges created by over current or short circuit.
Circuit breakers can be operated manually or automatically for saving the electrical network and components. Fuse is another saftey device to provide protection from overcurrent. It is operating automatically and it melts when over current is passed.
Even though fuses can be easily operated and less expensive, power cannot be restored after tripping the fuse whereas, tripped circuit breakers need not be replaced and easily restore the energy as soon.
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On which factor does the inertia of a body depend?
Answer:
The moment of inertia depends on the following factors, The density of the material. Shape and size of the body. Axis of rotation (distribution of mass relative to the axis)
The diagram below shows a wave. The feature of the wave are labeled A, B, C, and D. Which label identifies the wavelength?
According to the given diagram, the c identifies the wavelength of the curve. Hence, option C is correct.
What is wavelength?In order to characterize waveform signals that are transmitted across wires or into space, the term "wavelength" is used to refer to the separation between two identical positions (adjacent crests) in succeeding cycles. Typically, this length in wireless systems is measured in meters (m), centimeters (cm), or millimeters (mm) (mm). When describing the wavelength of infrared (IR), visible light (UV), and gamma radiation, units of 10-9 nanometers (nm) or angstroms (10-10 m) are more usually used.
The relationship between frequency and wavelength is inverse, with frequency being the number of wave cycles per second. A signal's wavelength shortens as its frequency rises, or we may say that the relationship between wavelength and refractive index is inverse.
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Which compound most likely has atoms held together by covalent bonds?
A. Lithium fluoride, LiF
B. Methane, CHA
C. Sodium chloride, NaCl
D. Magnesium chloride, MgCl2
Answer:
Meth CH4
Explanation:
Breaking bad
Answer:
B, Methane CH4
Explanation:
4p3x !
estion 3
What is the velocity of a 1120 kg car that has the momentum of 53,760 kg*m/s?
mentum
Answer:
Velocity = 48 m/s
Explanation:
Given:
Mass = 1,120 kg
Momentum = 53,760 kg(m/s)
Find:
Velocity
Computation:
Velocity = Momentum / Mass
Velocity = 53,760 / 1,120
Velocity = 48 m/s
What is the evidence that an asteroid collision has happened before?
Answer:
The first clue that an asteroid had struck earth at around the same time as the mass extinction was the amount of iridium around the K-T boundary. Another clue was that they found that most animals that lived in the cretaceous died when the asteroid crashed and they found bones of animals from the cretaceous.
Chemical changes occur as energy is transferred when molecules- - or - to form one or more new substances
Answer:
Correct options are C. As food is digested, molecule bonds are broken, allowing new molecules to form that can be used by our bodies.
D. Energy stored in organic fuels are used for heat and electricity/ When batteries are connected to a circuit, a reaction occurs inside the cell producing electrical energy.
Explanation:
The breakdown of food leads to the release of chemical energy which was first stored in food. This energy is used to drive necessary functions of the body. A series of chemical reactions are involved in the breakdown of food and changing them into useful components for the cell.
Chemical energy is stored in circuits. When the battery is connected to a circuit, the chemical energy gets transferred into electrical energy.
Answer:
change, combine
24 How long does it take for the Earth to orbit the Sun?
A one day
B one week
C one month
D one year
Answer:
365 days
So The Final Answer is a Year
D is the answer
Explanation:
Answer:
C one month
Explanation:
In the Bohr model of the Hydrogen atom , the radius of the orbit from the nucleus increases with decreasing the quantum number n.
true or false?
Answer:
true
Explanation:
it is true as I guess
How do two ions of the same element differ?
Answer:
In the electrons
Explanation:
The charge of ions of an element is determined by the amount of negative charged electrons are present. The protons and neutrons in the nucleus do not change.
Answer:
it is possible to use two icons in css content one below content 10px;color #99999
How do we know when an object is in static or dynamic equilibrium?
Answer:
First Condition of Equilibrium
Explanation:
This means that both the net force and the net torque on the object must be zero. The condition Fnet=0 F net = 0 must be true for both static equilibrium, where the object's velocity is zero, and dynamic equilibrium, where the object is moving at a constant velocity.The sum of the forces on it in each direction is zero. The sum of the torques on it in each direction is zero. Its linear momentum is zero.We all have different strengths and weaknesses. How can you support others when they are better at something than you? How can you encourage others when you are better at a skill than they are?
Answer:
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Leigh Ann is learning about the differences between inherited traits and learned behaviors in organisms. For example, she knows that being able to read is learned while having straight or curly hair is inherited. How does a person inherit a trait such as hair texture?
A. Through the storage of extra fat during birth
B. Through DNA that is passed from parents to offspring
C. Through the breakdown of different proteins during birth
D. Through different viruses that are passed from parents to offspring
Answer:it the letter b I was just finished with this test
Explanation:
A skier, starting from rest, slides down an icy frictionless 80o incline whose vertical height is 105 m. How fast are they going when the reach the bottom?
Answer:
nadaáaaaaaaaaaaaaa aaaaaaaaaaaaaaa
What name is given to the process that occurs when light passes from air to water?
A radiation
B reaction
C reflection
D refraction
Answer:
Refraction
Explanation:
5. What is crystallisation ? Describe the crystallisation of copper sulphate.
it is a process in which the structure in solution is in the form of crystal. crystallization of copper sulphate refers to the process in which copper sulphate is heated at minimum temperature.
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Why is the sky blue?
Why does the moon appear in the daytime?
How much does the sky weigh?
How do airplanes stay in the air?
Why is water wet?
Why don't birds get electrocuted when they land on an electric wire?
Answer:
the sky is blue because of reflection of blue light of sea and ocean.
the moon appear in the daytime because light of sun is brighter than of moon
airplanes stay in the air by maintaining balance in air and gravity.
birds did not get electrocuted when they land on an electric wire because there body is non conductor.
What is the relationship between Pressure and phg
? ?.
Answer:
P=F/A =mg/A =pvg/A = pgh
Explanation:
pressure equals force per unit area.
force also equals mass ×gravity
mass can also be density ×volume
volume can also be area × height
area would cancel out the area
leaving pgh
Give reason.
1. Graph paper is used to measure the area of an irregular object.
A object covers 900 km in 10 hours, calculate the speed of the object in km/h and m/s
Answer:
Speed = 90km/h
Speed= 150m/s
Answer:
speed is the distance divided by the time
so 900/10= 90km/h
to convert into meters per second
divide by 3.6
90/3.6=25m/s
Explanation:
Which three characteristics describe the energy of a wave? (2 points)
a
Frequency, the crest, and the trough
b
Wavelength, amplitude, and frequency
c
Speed, amplitude, and medium
d
Frequency, wavelength, and medium
Why does it take a long time for the earth to rotate?
24hrs or i full year as in 365 days
Answer:
earth takes a long time to rotate due to the tidal effects the moon has on earth's rotation
Explanation:
I hope this helps!
Could someone pls help at #9?
Answer:
Substance 3 is the answer
A bungee jumper is attached to a bungee cord, which acts like a spring. When the bungee jumper jumps, he oscillates in periodic motion. If losses due to friction and air resistance can be ignored, what types of energy conversions are involved in this system? A. Energy is converted between gravitational potential and elastic potential energy B. Energy is converted between kinetic and gravitational potential energy C. Energy is converted between gravitational potential, elastic potential, and kinetic energy, D. Energy is converted between kinetic and elastic potential energy.
help please!!!
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When an arrow hits its target, what type of energy will it have?
A. gravitational
B. elastic
C. mechanical
D. chemical
Answer
Mehanical energy
Please. Mark brainlist
I am not very much sure but I will give a small explanation here
A bow and arrow possesses mechanical energy. When the arrow is drawn it has potential energy and when it is released it produces a force to propel the arrow towards the aimed target, therefore giving the arrow kinetic energy. When you combine both energies it creates mechanical energy
Someone please help me!!! Please explain and I will mark brainliest!!!
R=10+15+30
55 is the answer to the question
Rafe is placing his car on a lift to change the oil and oil filter. He needs to drive up the lift 1.5 meters and the lift raises his car 0.4 meters. What is the IMA (ideal mechanical advantage) of Rafe’s car lift?
Answer:
104 IMA
Explanation:
Which one of these exercises gets your heart pumping? *
O Sitting in a chair
O Sleeping
O Swimming
O None of the Above
Answer:
swimming
Explanation:
What is the power generated by a 3.7 V cell phone battery that provides 2.0 A of current?
Answer:
7.4 watt
Explanation:
Power= V× I
= 3.7×2.0= 7.40 watt
