True . Weather is defined as the short-term condition of the atmosphere.
It refers to the state of the atmosphere in a given region at a given moment. This is characterized by temperature, precipitation, humidity, wind speed and direction, visibility, and atmospheric pressure. It can change rapidly and frequently over short periods of time.
The climate, on the other hand, refers to the long-term atmospheric conditions of a region. It includes the patterns of temperature, precipitation, humidity, and other atmospheric factors that are characteristic of that region over long periods of time.
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1.15 The speed of light in Crown glass is greater than its speed in
so the answer is easy it's air
What is the temperature of an incandescent lamp filament
Answer:
about 5000 °F
Explanation:
what fraction of the light shining straight at a piece of clear glass is reflected from the first surface?
When light waves encounter a clear glass surface, some of the light is reflected and some is transmitted through the glass. The amount of light that is reflected depends on the angle of incidence and the refractive index of the glass.
Assuming the glass is in air, the fraction of light that is reflected from the first surface can be calculated using the Fresnel equations. For normal incidence (when the light is shining straight at the glass), the fraction of light reflected is given by:
R = ((n₁ - n₂)/(n₁ + n₂))²
where n₁ is the refractive index of air (approximately 1) and n₂ is the refractive index of the glass. For typical clear glass, n₂ is around 1.5.
Plugging these values into the equation, we find that the fraction of light reflected from the first surface is approximately 4%. Therefore, 96% of the light shining straight at the glass is transmitted through the first surface.
It's important to note that the light that is transmitted through the first surface can be partially reflected again at the second surface of the glass, leading to further losses due to reflection.
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find the frequency range of visible light, given that it encompasses wavelengths from 380 to 760 nm.
The frequency range of visible light is from 4.3 x 1014 Hz to 8.7 x 1014 Hz.
What is Frequency?
A moving disturbance is referred to as a wave. The waves that must pass through a medium like air or water are referred to as mechanical waves. Other kinds of waves, like electromagnetic waves, can move through solid objects and a vacuum. Frequency and wavelength are two of the distinct characteristics of waves that help to describe their motion and energy. In general, frequency is defined as the frequency of occurrence, or more specifically, the frequency of a wave. The quantity of waves which pass a point in a predetermined amount of time is known as a wave's frequency. The quantity of waves that pass through a point in a second is another way to define frequency.
This range is determined by using the formula for frequency, which is the speed of light (c) divided by the wavelength (λ). Since the speed of light (c) is 3 x 108 m/s, the frequency range can be calculated as:
Frequency (f) = c / λ
f = (3 x 108 m/s) / 380 nm
= 4.3 x 1014 Hz
f = (3 x 108 m/s) / 760 nm
= 8.7 x 1014 Hz
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A rubber band has an un-stretched length of 0. 10m. If someone picks up a paper clip that has a mass of 10g (0. 010kg) and pulls back on it with a rubber band to a distance of. 25 m. With what speed would the paper clip be launched horizontally? The spring constant of the rubber band is 15 N/m
The speed at which the paper clip be launched horizontally, given that the paper clip has a mass of 0.01 Kg is 5.81 m/s
How do I determine the speed?We'll begin by obtaining the energy stored in the stored in rubber. This is shown below:
Initial length = 0.10 mNew length = 0.25 mExtension (e) = 0.25 - 0.10 = 0.15 mSpring constant (K) = 15 N/mEnergy stored (E) =?E = ½Ke²
E = ½ × 15× 0.15²
E = 7.5 × 0.0225
E = 0.16875 J
Finally, we shall determine the speed. Details below:
Mass (m) = 0.01 KgEnergy (E) = 0.16875 JSpeed (v) = ?KE = ½mv²
0.16875 = ½ × 0.01 × v²
0.16875 = 0.005 × v²
Divide both side by 0.005
v² = 0.16875 / 0.005
Take the square root of both side
v = √(0.16875 / 0.005)
v = 5.81 m/s
Thus, the speed is 5.81 m/s
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A satellite with a mass of 15,000 kg orbits the Earth. The satellite and Earth are 5x10³ m apart from their centers. What is the acceleration of the satellite? (mearth = 5.972 x10²4 kg)
The acceleration of the satellite would be 8,926.67 m/s².
Acceleration of a satelliteThe acceleration of the satellite can be calculated using the following equation:
a = GM/r²
where:
G = gravitational constant = 6.6743 x 10^-11 Nm²/kg²
M = mass of the Earth = 5.972 x 10^24 kg
r = distance between the centers of the Earth and the satellite = 5 x 10^3 m
First, we need to calculate the gravitational force between the Earth and the satellite:
F = G(Mm)/r²
where m is the mass of the satellite.
F = (6.6743 x 10^-11 Nm²/kg²)(5.972 x 10^24 kg)(15,000 kg)/(5 x 10^3 m)²
F = 1.339 x 10^8 N
Now we can calculate the acceleration of the satellite:
a = F/m
a = (1.339 x 10^8 N)/(15,000 kg)
a = 8,926.67 m/s²
Therefore, the acceleration of the satellite is 8,926.67 m/s².
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(01. 03 MC)
An object i moving 10 m/ to the outh. After one minute, it moving at a rate of 15 m/. Explain what type of motion thi i decribing. Then explain
whether thi repreent a calar or vector quantity
The motion being described is linear motion, and since it has direction, it is a vector quantity.
What type of motion is linear?A linear motion is a style of motion in which the object's movement is inversely proportional to its speed and duration of motion.
This type of motion also happens in a straight line.
The following is the formula for final velocity in a linear type of motion:
v = u + at
where;
V is the object's final speed or moving rate.
u is an object's initial speed, and a represents its acceleration.
t is the object's motion in time.
Our equation is formed by the supplied statement as follows:
v = u + at
15 m/s = 10 m/s + 60a
Thus, the final velocity formula, which is a vector quantity, is shown by the equation above.
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if a 50 N block is resting on a steel table with a coefficient of static friction
If F = 37 N, the static frictional force between the block and the table and the minimum force required to move it must be equal.
How is the minimum force of static friction determined?It is the force that regulates itself. The value of static friction varies from zero to the smallest force required to initiate motion. The formula for determining static friction is as follows: Normal Force divided by the static friction coefficient is static friction.
Is weight equivalent to static friction?Although the maximum static friction will rise, the frictional force will always be the same as the weight in mg because friction cannot accelerate an object. Because FrN can take any value less than N to balance the weight, this is the case.
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A nurse counts 76 heartbeats in one minute.
What are the period (in seconds) and frequency (in Hz) of the heart’s oscillations?
The time period is 15/19 s = 0.79 s. The frequency is 76/60 Hz = 1.23Hz.
What is time period?
The amount of time that a behavior lasts or a condition persists. Depending on the type of activity or condition under consideration, it may be measured in seconds or in millions of years.
Given that the heartbeat is 76 heartbeats in one minute.
In other words: the heartbeat is 76 heartbeats in 60 sec.
The period is the Number of seconds/ number of heartbeats
= 60/76
=15/19 s
The frequency of a repeating event is its number of instances per unit of time. It differs from angular frequency and is sometimes referred to as temporal frequency for clarity. One event occurs every second when measuring frequency in hertz.
The frequency (in Hz) of the heart’s oscillations
= 76/60
= 19/15 Hz
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Solar radiation at the surface of the earth is about 700 W/m2. How much power is incident on a roof of dimensions 12.96 m by 20.43 m?
Our first step is to find out the area of the roof, which is:
\(A=12.96*20.43=264.7728m^2\)We can then obtain the power by multiplying it to the solar radiation:
\(P=264.7728*700=185340.96W\)Then, our final answer is P=185340.96W
Normally, materials are electrically neutral because there are
You push really hard against a round rock, but you cannot make it roll. Which statement best explains why you cannot move the rock
Answer:
b
Explanation:
a Gravity pulls the rock toward the center of Earth.
b The forces between you and the rock are balanced.
c The force of your push is greater than the opposing force.
d There is no friction to help you move the object.
The correct answer would be that the forces between you and the rock are balanced.
In order to get the rock rolling, both the frictional force between the rock and the surface on which it stands as well as the gravitational force acting on its mass must be exceeded. If the applied force balances these forces or falls short, the rock will not move.
The correct option is b.
HURRY 15 POINTS
The third most populated country in the world is __________. A. China B. India C. Canada D. the United States Please select the best answer from the choices provided A B C or D. Only pick one. this is from edunity.
Answer:
D. The United States
Explanation:
Convert 3.8 kg to Lbs
Answer:
8.37757
Explanation:
may i have brainliest
what is work done aganist gravity?
Lifting an object and becomes potential energy of the object (Earth system). The change in gravity potential energy, ΔPEg, is ΔPEg = mgh.
With h being the increase in height and g the acceleration due to gravity.
I hope this helped :T
The magnetic domains in an iron nail are randomized unless it is placed in a magnetic field.
True
False
Answer:
True plz thank me this is the answer
The magnetic domains in an iron nail are randomized unless it is placed in a magnetic field is a True statement.
What is magnetic domain ?"A magnetic domain is a region within a magnetic material in which the magnetization is in a uniform direction. This means that the individual magnetic moments of the atoms are aligned with one another and they point in the same direction."
What is magnetic field ?"A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field."
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A star remains at constant size and temperature for a long period
of time. Which of the following is most likely to be true? The star generates
more energy than it radiates into space.
about as much energy as it radiates.
less energy than it radiates into space.
If a star remains at a constant size and temperature for a long period of time, it is most likely to be true that the star generates about as much energy as it radiates.
If a star remains at a constant size and temperature for an extended period, it suggests that the star is in a state of equilibrium. In such a state, the energy generated by the star's internal processes, such as nuclear fusion, is balanced by the energy radiated into space. This equilibrium is crucial for maintaining the star's stability and preventing it from expanding or contracting over time. If the star were to generate more energy than it radiates, it would accumulate excess energy and eventually experience an imbalance, causing changes in size, temperature, or both. Likewise, if the star generated less energy than it radiates, it would gradually deplete its internal energy reserves. Therefore, the most likely scenario is that the star generates about as much energy as it radiates, maintaining a steady state.
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PLEASE HELP! I WILL MARK BRAINLIEST! tight guitar string has a frequency of 560 Hz as its third harmonic. What will be its fundamental frequency if it is fingered at a length of only 60% of its original length?
Answer:
Original fundamental frequency = 311.111 Hz (Approx)
Explanation:
Given:
Frequency (f) = 560 Hz
3rd harmonic
Used length = 60%
Find:
Original fundamental frequency.
Computation:
Fundamental frequency = Frequency (f) / 3rd harmonic
Fundamental frequency = 560 / 3
Original fundamental frequency = 560 / 3(60%)
Original fundamental frequency = 560 / 1.8
Original fundamental frequency = 311.111 Hz (Approx)
Einstein's theory of relativity tells us that travelers who make a high-speed trip to a distant stat and back will _____.
a). age more than people who stay behind on Earth.
b). have more than people who stay behind on Earth.
c). age less than people who stay behind on Earth.
d) never be able to make the trip will the
Einstein's theory of relativity tells us that travelers who make a high-speed trip to a distant star and back will age less than people who stay behind on Earth.
The Theory of Relativity is a scientific concept first proposed by Albert Einstein in the early 1900s. The idea is based on two main components: special relativity and general relativity. The former suggests that the laws of physics are consistent throughout the universe, while the latter asserts that gravity is not a force but a curvature of space and time caused by the presence of massive objects.
Einstein's theory of relativity has numerous implications, one of which is time dilation. This means that time passes differently depending on the relative velocity of the observer.
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100 POINTS WILL GIVE BRAINIEST TO BEST ANSWER!!!!!!!!!!!!!
see below
Answer:
What’s your question
Explanation:
And where
Answer:
its upside down
Explanation:
A table exerts a force on the ground. The ground exerts
A. no force on the table
B. a greater and opposite force on the table
C. an equal and opposite force on the table
D. a lesser an opposite force on the table
Answer:
hey from what I know the answer is C
Explanation:
When a book is kept on a table , weight (gravitational force) of book acts on table vertically downwards and as a reaction of weight , table also exerts an equal and opposite ( upward) force on book .
Why are the voice of men women and children different??
We each have a unique voice because so many factors work together to produce that voice. As air passes over them, the vocal cords vibrate very quickly to produce sounds. The higher the rate of vibration, called frequency, the higher the pitch will be.
the first bright fringe above and the first bright fringe below are equal distances from the central maximum. we are given that the two bright fringes are 4.1 mm apart. what is the height above the central maximum, y1 , of the first bright spot above?
the height above the central maximum, y1, of the first bright spot above is half the distance between the two bright fringes, which is 2.05 mm.
The distance between two bright fringes is given as 4.1 mm. Since the first bright fringe above and the first bright fringe below are equal distances from the central maximum, we can say that the distance between the central maximum and the first bright fringe above is half of 4.1 mm, which is 2.05 mm. Therefore, the height above the central maximum, y1, of the first bright spot above is 2.05 mm.
Your question is about finding the height above the central maximum, y1, of the first bright spot above, given that the two bright fringes are 4.1 mm apart.
The height above the central maximum, y1, of the first bright spot above is 2.05 mm.
Since the first bright fringe above and the first bright fringe below are equal distances from the central maximum, we can divide the total distance between them by 2 to find the height above the central maximum, y1, of the first bright spot above. So, y1 = (4.1 mm) / 2 = 2.05 mm.
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In the ingle particle he'll model the ground tate of a nucleu with an odd proton and neutron i determined from
The spin of the odd particle, which can be inferred by counting energy levels up to the Fermi level, determines the ground-state spin of the nucleus.
What is proton and neutron?A positive-charged subatomic particle is known as a proton. Protons are held together in the atom's nucleus by the strong nuclear force. The neutron is a type of subatomic particle without charge.
subatomic particles with a positive charge that live in the nucleus. Neutrons: Subatomic particles with a neutral charge that are found in the nucleus. Electrons: Subatomic particles with a negative charge that are present in the electron shells that enclose the nucleus.
What is the relationship of protons and neutrons?The positive charge proton have a propensity to reject one another, but the neutrons keep the nucleus together. The quantity of protons determines the atomic number, and the sum of the protons and neutrons determines the atomic mass. The atomic mass of hydrogen is 1, as there is just one proton and no neutrons in the material.
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Pls help me with this question its due tomorrow and I can't find the answer: A person jumped 50cm, the hang time for the jump was 0.778 seconds, calculate a value for the acceleration due to gravity. What is the percent error in the value for acceleration you found? (Solve it without factoring in the air)
S = ut + 1/2gt²
where S = distance
50 cm = 0.5m
u is initial velocity = 0
S = 0*t + 1/2gt²
S = 1/2gt²
0.5 = 1/2 g (0.778²)
2*0.5 = g(0.778²)
1/(0.778²) = g
g = 1.65m/s²
The value of g is grossly errored due to the values obtained since the known value of g on earth is 9.8m/s² the obtained value rounds off to the value of g on moon.
In a given chemical reaction, the energy of the products is greater than the energy of the reactants. Which statement is true for this reaction?
A.
Energy is absorbed in the reaction.
B.
Energy is released in the reaction.
C.
No energy is transferred in the reaction.
D.
Energy is created in the reaction.
E.
Energy is lost in the reaction.
Answer:
A - energy is absorbed in the reaction
Explanation:
Which has more momentum, a car traveling at 12 km/h or a bicycle traveling at the same speed ? Explain why
Hi there!
The car.
Recall the equation for momentum:
\(\large\boxed{p = mv}\)
m = mass (kg)
v = velocity (m/s)
Thus, if both objects have the SAME velocity, the object with the greater MOMENTUM would have a larger MASS.
A car's mass is greater than that of a bicycle, so the car would have a greater momentum.
what is the electric potential at a point in space if a charge of 7.3x 10^-17 coulombs at that point has a potential energy of 6.4
Answer:
V = 0.87 volt
Explanation:
Given that,
Charge, \(q=7.3\times 10^{-17}\ C\)
Electric potential energy, \(U=6.4\times 10^{-17}\ J\)
We need to find the value of electric potential at a point. The relation is as follows :
\(V=\dfrac{U}{q}\)
Where
V is electric potential
So,
\(V=\dfrac{6.4\times 10^{-17}}{7.3\times 10^{-17}}\\\\V=0.87\ V\)
So, the value of the electric potential at a point is equal to 0.87 Volts.
ejbsjca bdsj dbcsc j ecsabkfskbj jcbaskjbb
Sorry but I can't help you cuz the words you use makes no sens if you are going to ask a question pls do and dont joke around about it thank you very much and have a great day! ^^
Which statement is true about an electromagnetic wave thathas a short wavelength?
It's important to know that the wavelength and the frequency has inverse relationship, which means the longest is its wavelength, the more intense will be the frequency.
Hence, the answer is B.