Green light has a wavelength of about 510 nm and travels at a speed of 3. 00 × 108 m/s. The frequency of green light, rounded to the nearest tenth and written in scientific notation, is × 1014 hz.
Answers
Green light has a wavelength of about 510 nm and travels at a speed of 3. 00 × 108 m/s. The frequency of green light, rounded to the nearest tenth and written in scientific notation, is 5.9 × 10¹⁴ Hz.
Light is the name given to the type of electromagnetic radiation that can be detected by the human eye. It's visible light that we can see. When all of the different colors that make up visible light are combined, white light is formed. These colors are red, orange, yellow, green, blue, indigo, and violet.
Light travels at a speed of 299,792 kilometers per second, or 186,282 miles per second. This speed is also referred to as the "speed of light." In a vacuum, the speed of light is constant.How is the frequency of light calculated?The frequency of light is the number of wave cycles that pass a fixed point in space per second. This number is expressed in units of hertz (Hz).
To calculate frequency, divide the speed of light by the wavelength of the light: c = λνWhere,ν is the frequency of lightλ is the wavelength of lightc is the speed of light
Putting the given values in the above formula we get,ν = c/λν = (3.00 × 10⁸ m/s) / (510 nm)Convert 510 nm to meters,1 nm = 1 × 10⁻⁹m510 nm = 510 × 10⁻⁹m = 5.10 × 10⁻⁷mSubstitute the given values,ν = (3.00 × 10⁸ m/s) / (5.10 × 10⁻⁷m)ν = 5.9 × 10¹⁴ HzTherefore, the frequency of green light, rounded to the nearest tenth and written in scientific notation, is 5.9 × 10¹⁴ Hz.
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Related Questions
Suppose an asteroid orbiting the sun had an orbital period of 7. 5 years. What would its orbital radius be?.
Answers
By using the orbital period equation we will find that the orbital radius is r = 4.29*10^11 m
What is the orbital period?
This would be the time that a given body does a complete revolution in its orbit.
It can be written as:
\(T = \sqrt{\frac{4*\pi ^2*r^3}{G*M} }\)
Where:
π = 3.14G is the gravitational constant = 6.67*10^(-11) m^3/(kg*s^2)M is the mass of the sun = 1.989*10^30 kgr is the radius, which we want to find.Rewriting the equation for the radius we get:
\(T = \sqrt{\frac{4*\pi ^2*r^3}{G*M} }\\\\r = \sqrt[3]{ \frac{T^2*G*M}{4*\pi ^2} }\)
Where T = 7.5 years = 7.5*(3.154*10^7 s) = 2.3655*10^8 s
Replacing the values in the equation we get:
\(r = \sqrt[3]{ \frac{(2.3655*10^8 s)^2*(6.67*10^{-11} m^3/(kg*s^2))*(1.989*10^{30} kg)}{4*3.14 ^2} } = 4.29*10^{11 }m\)
So the orbital radius is 4.29*10^11 m
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A current filament of 4 A is along the z – axis in the direction in free space. Determine the magnetic flux passing through defined by 0. 02 < r < 0. 03 m and 0 < z < 3. Permeability of free space,
Answers
The magnetic flux passing through defined by 0.02 < r < 0.03 m and 0 < z < 3 is `8π × 10⁻⁷ Wb`
Permeability of free space is given by `μ0 = 4π × 10⁻⁷ T m A⁻¹`
Formula used to calculate the magnetic flux passing through the defined area is as follows:
`ΦB = μ0 * I * (Θ2 - Θ1) / 4π`
Where
I = current
Θ1 = lower limit of angle
Θ2 = upper limit of angle
For the given problem, current filament is along the z – axis in the direction, thus the angle Θ1 and Θ2 will be 0 and 2π respectively.
The distance between 0.02 m and 0.03 m is 0.01 m, the mean radius of the area will be`(0.03 + 0.02) / 2 = 0.025 m`
The formula for calculating the magnetic flux through the defined area is`ΦB = μ0 * I * (Θ2 - Θ1) / 4π`
From the question, we know that;:
μ0 = `4π × 10⁻⁷ T m A⁻¹`
I = 4A
Θ1 = 0
Θ2 = 2π
The formula becomes`ΦB = (4π × 10⁻⁷) * 4 * (2π - 0) / 4π``ΦB = 8π × 10⁻⁷ Wb`
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4.) The diagram to the right is the orbit of a comet:
A) Label the two focal points
B) Label the Perihelion
C) Label the Aphelion
Answers
Answer: This is what I found hope it helps
Explanation:
What makes a method accurate or inaccurate?
Answers
Answer:
Accuracy is how far off a measurement is from its true value. A measured value that's far from a true value is inaccurate, while a measure that is close to a true value is accurate.
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two trains, each having a speed of 23 km/h, are headed at each other on the same straight track. a bird that can fly 46 km/h flies off the front of one train when they are 46 km apart and heads directly for the other train. on reaching the other train it flies directly back to the first train, and so forth. (we have no idea why a bird would behave in this way.) what is the total distance the bird travels?
Answers
The bird travels a total distance of 92 km. When the two trains are 46 km apart, the bird starts flying from one train toward the other train.
Let's assume that the distance between the bird and the first train is x km. Since the bird is flying towards the other train at a speed of 46 km/h and the trains are moving towards each other at a combined speed of 46 km/h, the relative speed of the bird with respect to the first train is
69 km/h (46 km/h + 23 km/h).
Therefore, it takes the bird x/(69 km/h) hours to reach the second train.
During this time, the two trains move towards each other and reduce the distance between them by
23 km/h)x/(69 km/h) = x/3 km.Therefore, the distance between the bird and the second train is also x km. Now, the bird starts flying towards the first train at the same speed of 46 km/h. Again, it takes the bird
x/(69 km/h)hours to reach the first train.
During this time, the two trains move towards each other and reduce the distance between them by another x/3 km. Therefore, the total distance traveled by the bird in one round trip is 2x km.
Since x + x/3 + x/3 = 92 km (the initial distance between the trains)
the total distance traveled by the bird in all the round trips is
2(92 km) = 184 km.
However, since the bird only flies halfway towards each train before turning back, the actual distance traveled by the bird is half of 184 km, which is 92 km.
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1. How does the mass of Jupiter compare to Earth?
2. How quickly does it rotate on its axis?
3. What makes the different bands on the planet?
Answers
Answer:
1.
Jupiter is the largest planet in the solar system. (Image credit: NASA)
The largest planet in the solar system, the gas giant Jupiter is approximately 318 times as massive as Earth. If the mass of all of the other planets in the solar system were combined into one "super planet," Jupiter would still be two and a half times as large.
2.Rotation of Jupiter
[/caption]
Jupiter has the fastest rotation of all the planets in the Solar System, completing one rotation on its axis every 9.9 hours.
3.Jupiter, the King of the Planets, is a gas giant, which means that it's made mostly of gases like hydrogen and helium, and that it doesn't have a solid surface in the way that rocky planets like Earth do. With a temperature of 130 K (-140 C, -230 F), it's so cold that it gives off most of its energy in the infrared. In fact, Jupiter gives off almost twice as much heat as it receives from the Sun. It's able to do this because it has its own internal heat source, powered by the slow gravitational collapse that started when the planet first formed. Astronomers estimate that Jupiter is currently shrinking by almost 2 cm per year
how can mass be measured?
spring scale
balance
scale
bathroom scale
Answers
Answer:
ballance
i just took the quiz
What is the difference between p-n junction diode and extrinsic semiconductor?
Answers
Answer:
The difference between P-N junction diode and extrinsic semiconductor is the allowable direction of flow of current
The extrinsic semiconductor can allow current to flow in both directions while the P-N junction diode permits only a unidirectional flow of current
Explanation:
A semiconductor is a substance that has an intermediate conductivity between that of conductors and non conductors
Examples of semiconductors include germanium and cadmium selenide
A semiconductor to which impurities has been added (an activity known as doping) is an extrinsic semiconductor
Based on the functioning of a semiconductor, doping result in the formation of one of two types of semiconductors including;
1) N-type semiconductor that has an extra electron and the charge carriers are electrons
2) P-type semiconductor that has one less (-e⁻) electron and holes are the charge carriers
An extrinsic semiconductor can conduct allow the flow of electricity in both ways
A P-N junction diode consists of both the P and N-type extrinsic semiconductors arranged such that current can flow in only one direction.
Therefore, the difference is that the extrinsic semiconductor can allow current flow in both directions while the P-N junction diode permits only a unidirectional flow of current.
The function d(v) = 0.0067 v^2 + 0.15v can be used to determine the safe stopping distance, d(v), in metres for a car given its speed, v, in kilometres per house. determine the speed at which a car can be traveling in order to be able to stop at a distance of 24m. show your work and round your final answer(s) to the nearest meter.
Answers
Evaluate the function when d(v) = 24.
\(\begin{gathered} 24=0.0067v^2+0.15v \\ 0.0067v^2+0.15v-24=0 \end{gathered}\)Use the quadratic formula to find v.
\(v=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}\)Where a = 0.0067, b = 0.15, and c = -24.
\(\begin{gathered} v=\frac{-0.15\pm\sqrt[]{0.15^2-4\cdot0.0067\cdot(-24)}_{}}{2\cdot0.0067}=\frac{-0.15\pm\sqrt[]{0.6657}_{}}{0.0134} \\ v_1=49.7\cdot\frac{km}{hr}_{} \\ v_2=-72.1\cdot\frac{km}{hr} \end{gathered}\)Therefore, the car should travel at 49.7 km/hr.
We take the positive speed as the answer.
Please someone helppp me.. I will mark as brainliest.
Answers
Answer:
b) G.P.E = Mgh
300j = M x 10 m/s² x 15 m
300 j/ 10 m/s² x 15 m = M
300j/ 150 s² = M
2kg = M
c) K.E = 1/2 m v²
K.E = 1/2 (50) (50)²
K.E = 1/2 (50) (2500)
K.E= 125000/2
K.E = 625 000 J
The "small" version of what common unit of measure is equal to 4.1868 of the SI unit of energy (joules), while the "large" version is equal to 4,184 joules?
Answers
The common unit of measure being referred to here is the calorie.
The "small" version of a calorie, also known as the gram calorie, is equal to 4.1868 joules of energy.
This unit is commonly used in the field of nutrition to measure the energy content of food.
On the other hand, the "large" version of a calorie, also known as the kilocalorie or Calorie (with a capital C), is equal to 4,184 joules of energy.
This unit is used to measure the energy required by the human body to maintain basic functions and perform physical activities.
It is also the unit commonly used on food labels to indicate the energy content of a particular food item.
It is important to note that while the gram calorie and the kilocalorie are both commonly used, the latter is the more widely recognized and accepted unit of energy in most countries around the world.
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help me pleas i cant figure this out if you cant see the pic cause i have never put one in her before try to open it please
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The soil corer method was used to sample soil collected from an agricultural field. The metal corer dimensions were as follows: diameter = 7 cm; height = 12 cm. The field moist mass of the soil was 706 g and contains 135 g of water. Calculate the porosity.
Answers
The porosity of the soil sample collected from the agricultural field using the soil corer method is 35.2%.
To calculate the porosity of the soil sample collected from the agricultural field using the soil corer method, we first need to determine the volume of the soil and the volume of the water in the sample.
The volume of the soil can be calculated using the dimensions of the metal corer as follows:
Volume of soil = π x (diameter/2)^2 x height
= π x (7 cm/2)^2 x 12 cm
= 231.91 cm^3
Next, we need to determine the volume of the water in the sample. We are given that the sample has a field moist mass of 706 g, and contains 135 g of water. This means that the dry mass of the soil in the sample is:
Dry mass of soil = Field moist mass - Mass of water
= 706 g - 135 g
= 571 g
To determine the volume of water, we can use the density of water, which is approximately 1 g/cm^3. This means that the volume of water in the sample is:
Volume of water = Mass of water / Density of water
= 135 g / 1 g/cm^3
= 135 cm^3
Now that we have determined the volume of soil and the volume of water in the sample, we can calculate the porosity as follows:
Porosity = Volume of voids / Total volume
Volume of voids = Volume of the metal corer - Volume of soil - Volume of water
= π x (7 cm/2)^2 x 12 cm - 231.91 cm^3 - 135 cm^3
= 93.05 cm^3
Total volume = Volume of the metal corer
= π x (7 cm/2)^2 x 12 cm
= 263.9 cm^3
Therefore, the porosity of the soil sample is:
Porosity = Volume of voids / Total volume
= 93.05 cm^3 / 263.9 cm^3
= 0.352 or 35.2%
So, the porosity of the soil sample collected from the agricultural field using the soil corer method is 35.2%.
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Use the information from the graph to answer the question.
A graph titled Velocity versus Time shows time in seconds on the x axis, numbered 0 to 25, velocity in meters per second on the y axis, numbered 0 to 40. A line starts at (0, 10) and ends at (25, 35).
What is the total displacement of the object?
Answer: 562.5 m
Answers
The displacement of the object as determined from the velocity-time graph is 562.5 m.
What is a velocity-time graph?A velocity-time graph is a graph of the velocity of an object plotted in the vertical or y-axis of the graph against the time taken on the horizontal or x-axis.
The displacement of an object can be obtained from its velocity-time graph by calculating the total area under the graph.
The total area under the graph = area of triangle + area of rectangle
Area of triangle = b*h/2 =
Area of triangle = 25 * (35 - 10)/2 = 312.5 m
Area of rectangle = l * b
Area of rectangle = 10 * 25 = 250 m
Total area = (312.5 + 250) m
Total area = 562.5 m
Therefore, the displacement of the object is 562.5 m
In conclusion, the total area of a velocity-time graph gives the displacement.
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Which of the following rivers flows north in eastern Florida?
St. James
St. Johns
Mississippi
Hudson
Answers
St. John’s
_________
o0o0o0o0o0
A system containing 1 atm of an ideal gas is doubled in temperature and halved in volume: What is the new pressure? O 2 atm O 1 atm O 0.5 atm O 4 atm
Answers
At STP, an ideal gas has a volume of 22.41 L/mol. Measure the pressure p1 and the temperature T1 of your gas using this value, 22.4 L, Calculate the ratio of pressure to temperature using the formula: k = p1/T1.
What does Boyle's law say 1 atm is?760 mm Hg equals 1 atm. However, the Pascal is the accepted pressure measurement unit around the world. 1 atm Equals 101325 Pa. Through a series of pressure-related experiments, the English physicist Robert Boyle discovered a general law in 1662: the size of a gas inversely increasing pressure. PV is equal to 1.
Henry's Law is it currently?Henry's law constant values can be stated in units like atmospheres for air and moles a cubic meter in water (atm-m3/mol), or in a non - dimensional unit like KH′ = KH/(RT), where KH′ is the non - dimensional unit. Henry's law constant, R is the real gases constant (8.20575 10), and KH is the Henry's laws constant (atm-m3/mol).
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A roller coaster pushes a 25 kg person upward with a force of 300 N. What is the acceleration?
Answers
Answer: a=F/m , a = 300N/25N , a= 12 m/s2
Explanation: Divide the 300 by 25 you get 12 . If your wondering how i got 25N in the eqaution it because you change 25kg to 25N. I hope this helps you
Acceleration of an object is the force divided by mass. The acceleration of the roller coaster to push the 25 kg person with a force of 300 N is 12 m/s².
What is acceleration ?Acceleration is a physical quantity measuring the rate of change in velocity. It is a vector quantity having both magnitude and acceleration. Acceleration has the unit of m/s².
According to Newton's second law of motion, the force acting on a body is the product of its mass and acceleration.
F = ma
Given that, mass of the person = 25 kg
force applied on the body = 300 N
acceleration = force/mass
a = 300 N/25 kg = 12 m/s²
Therefore, the acceleration of the roller coaster is 12 m/s².
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A jet airplane travelling at the speed of 500 km / hr ejects its products of combustion at the speed of 1500 km / hr relative to the jet plane. What is the speed of the latter with respect to an observer on the ground?
Answers
\(v{j} = 500\)
\(vpj = - 1500\)
solution:\(vpj = vp - vj\)
\( - 1500 = vp - 500\)
\(vp = - 1000\)
= 1000 km/h
Speed of ejection of combustion products observed from ground is 1000km/h in direction opposite to the direction of motion of the jet airplane.
What type of energy conversion is taking place inside a flashlight (that is batteries when it’s on)
Answers
Batteries have chemical energy.
When the flashlight is turned on, the chemical energy is transformed into electrical energy, and then into light energy, and thermal energy.
So. The correct option is ;
Chemical energy to electrical energy to light energy & thermal energy.
EASY QUESTIONS! DUE IN 15 MIN WILL MARK BRAINLIEST.
1. What is the sum of a vector 8 m south and a vector 12 m north? *
2. What is the sum of a vector 12 m north and a vector 8 m north? *
PLEASE SHOW WORK AND EXPLAIN
Answers
Explanation:
As they are in same direction, you can add them directly. And result is 12 + 8 m = 20 m North. If you use vector addition: Vectors = 12m & 8 m & angle b/w them is 0°(as both are in same direction).
4) A force of 500 N acts on an area of 0.05m2. Find the pressure in Pascal.
Answers
Answer:
pressure = force ie 500 N divided by area ie 0.05m².
p=f by a
p= 500n divided by 0.05 m²
p= 10,000 pascal
A boy spins a ball on a string over his head with a rotational velocity of 6.3 m/s. The
length of the string is 0.50 m and the mass of the ball is 0.008 kg.
What is the centripetal Force (Fc) of the ball?
Answers
The centripetal force (Fc) of the ball is 0.64N.
How to calculate centripetal force?Centripetal force is the force on a rotating or orbiting body in the direction of the centre of rotation.
Centripetal force is a force that makes a body follow a curved path. Its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.
Centripetal force formula is given as the product of mass (in kg) and tangential velocity (in meters per second) squared, divided by the radius (in meters) as follows:
Fc = mv²/r
Where;
m = massv = velocityr = radiusAccording to this question, a boy spins a ball on a string over his head with a rotational velocity of 6.3m/s. The length of the string is 0.50 m and the mass of the ball is 0.008 kg. The centripetal force is as follows:
Fc = 0.008 × 6.3²/0.5
Fc = 0.31752 ÷ 0.5
Fc = 0.64N
Therefore, 0.64N is the centripetal force of the ball.
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A small 175-g ball on the end of a light string is revolving uniformly on a frictionless surface in a horizontal circle of diameter1.0 m.
Answers
Complete question:
A small 175-g ball on the end of a light string is revolving uniformly on a frictionless surface in a horizontal circle of diameter 1.0 m. The ball makes 2.0 revolutions every 1.0 s. What are the magnitude and direction of the acceleration of the ball?
Answer:
The acceleration of the ball is 78.98 m/s², directed inwards
Explanation:
Given;
mass of the ball, m = 175 g
radius of the circle, r = 0.5 m
angular speed of the ball, ω = 2 rev/s
The magnitude of the centripetal acceleration of the ball is calculated as follows;
\(a_c = \omega^2 r\\\\where;\\\omega \ is \ angular \ speed \ in \ rad/s\\\\a_c = (2\ \frac{rev}{s} \times \frac{2\pi \ rad}{1 \ rev} )^2 \times (0.5 \ m)\\\\a_c =78.98 \ m/s^2\)
The centripetal acceleration is directed inwards.
You push a box at a constant speed of 5m/s and let it go. It stops 1.5s later due to the force of friction. If you push the box at a speed of 12m/s, how long will it take to stop?
Answers
Answer:
the time taken for the box to stop is 3.6 s.
Explanation:
Given;
initial speed with which the box was pushed, u = 5 m/s
time taken for the box to stop, t = 1.5 s
Assuming the box is moving at constant acceleration, a;
\(a = \frac{u}{t} \\\\a = \frac{5}{1.5} \\\\a = 3.33 \ m/s\)
When the box is pushed a speed of 12 m/s, the time taken for the box to stop is calculated as;
\(t = \frac{v}{a} \\\\t = \frac{12}{3.33} \\\\t = 3.6 \ s\)
Therefore, the time taken for the box to stop is 3.6 s.
wo objects with masses of 200kg and 500kg are separated by 0.400 m. Find the magnitude of the net gravitational force exerted by these objects on a 50.0 kg object placed midway between them.
Answers
The net gravitational force exerted by these objects on a 50.0 kg object is 2.5 × 10⁻⁵ N
Given information,
mass of an object,
m₁ = 200kg
m₂ =500kg
m₃ =50 kg
distance, d = 0.400 m
According to Newton’s law of gravitation, every object of mass m in the universe attracts every other object with a force along a line joining them.
F = GM₁M₂/r²
The gravitational force between m₁ and m₃ ,
F₁ = Gm₁m₃/r²
The gravitational force between m₂ and m₃ ,
F₂ = G m₂m₃/r²
Combining equations,
F = F₂ - F₁
F = Gm₃(m₂ - m₁)/r²
F = 6.67×10⁻¹¹× 50× (300)/0.2²
F = 2.5 × 10⁻⁵ N
The net gravitational force exerted is 2.5 × 10⁻⁵ N.
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your group has invented a solar cell that works by applying photosynthesis chemistry to generating hydrogen which is stored for use in a fuel cell. in 10 different regions differing by weather. you set up solar-city installations (using solar cells and lead acid batteries for storage) and your technology comparing the kilowatt hours generated in a month the results are:
Answers
The solar cell that applies photosynthesis chemistry to generate hydrogen is different from traditional solar cells that directly convert sunlight into electricity because it uses a chemical process to store the energy generated by sunlight, whereas traditional solar cells directly produce electricity.
In the photosynthesis-based solar cell, the energy from sunlight is used to split water into hydrogen and oxygen through a chemical reaction, and the hydrogen is stored for later use in a fuel cell to generate the electricity. Traditional solar cells, on the other hand, generate electricity by converting sunlight directly into electrical energy through the photovoltaic effect.
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--The complete Question is, How does the solar cell that applies photosynthesis chemistry to generate hydrogen differ from traditional solar cells that directly convert sunlight into electricity? --
A sound wave ________ and ______ the air molecules around your ear.
Group of answer choices
moves and shakes
compresses, expands
vibrates and heats up
Answers
Answer:
compresses and expands
Answer:
compreses and expands
Explanation:
because it is
What is the momentum of a 110 kg football player running north at a speed of 4 m/s?
Answers
Answer:
440kgm/s
Explanation:
Momentum= mass × velocity
= 110× 4
= 440kgm/s
a 2.80 kg grinding wheel is in the form of a solid cylinder of radius 0.100 m .what constant torque will bring it from rest to an angular speed of 1200 rev/min in 2.5 s ?
Answers
A constant torque of 0.703 N·m will bring the grinding wheel from rest to an angular speed of 1200 rev/min in 2.5 s.
First, we need to convert the final angular speed to radians per second:
ω = (1200 rev/min) x (2π rad/rev) x (1/60 min/s) = 125.66 rad/s
The moment of inertia of the grinding wheel can be calculated using the formula for a solid cylinder:
I = (1/2)mr² = (1/2)(2.80 kg)(0.100 m)² = 0.014 J·s²
The angular acceleration can be found using the formula:
α = ω/t = (125.66 rad/s) / (2.5 s) = 50.264 rad/s²
The torque required to produce this angular acceleration can be found using the formula:
τ = Iα = (0.014 J·s²)(50.264 rad/s²) = 0.703 N·m
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Timmy throws a ball upward As it falls, it is caught at the same height as it was thrown. What are the signs of the Vertical positions, velocity, and acceleration during the downward part of the trajectory of the ball?
Answers
The vertical positions, velocity, and acceleration during the downward part of the trajectory of the ball are given as +Y, +V, and +a respectively.
What are the signs of the velocity, acceleration, and vertical position of a ball that is falling downwards?The motion of an object in a given direction may be considered a positive or negative motion depending on a given conventional direction.
The downward motion of an object toward the earth's surface is considered a positive motion while the upward motion of an object against the gravitational pull of the earth is considered a negative motion.
The vertical positions, velocity, and acceleration of an object falling under gravity are positive.
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