Find the output force exerted by a moveable pulley if the input force is 50 N.
Please give the equation.

Arcology is the fusion of architecture with ecology, a comprehensive urban perspective. In nature, as organisms evolve, they increase in complexity and become a more compact system. A city should similarly evolve, functioning as a living system.

Arcology's major goal is to stop urban sprawl, which can be accomplished by building self-sufficient, remote settlements and structures that are (ideally, gigantic).

While it is theoretically conceivable to construct an arcology, at least structurally, it would take creative engineering to ensure the essential energy generation, food production, and waste reclamation systems are sustainable.

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Answer:

The concept of arcology that appealed to me the most is the fusion of architecture with ecology. If I were to incorporate an arcology concept into my community design, I would focus on creating a pedestrian environment where pedestrians move efficiently and freely.

Explanation:

Time of flight  is the  time flea in the air from the time it jumps to the time it hits the ground 0.64 seconds.

Time of flight= 2 time of ascent=[tex]2\times(\frac{u}{g} )[/tex]=[tex]2\times (\frac{3.13}{9.8})[/tex]=0.64 seconds

The time it takes for an object, particle, or wave (whether acoustic, electromagnetic, etc.) to traverse a distance across a medium is measured as time of flight (ToF). This data can then be used to determine the particle's or medium's attributes or to measure the particle's or path's velocity or length (such as composition or flow rate).The amount of time it takes the body to rise to its highest point from its starting posture is known as the ascension time. Complete solution, step-by-step For a projectile motion, the time to reach maximum height is called time of ascent.

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The box reaches the bottom of the incline sooner than the disk by a distance equal to mgh/sin(θ). Express your answer in terms of some or all of the variables m , h , θ , and R , as well as the acceleration due to gravity g.

what is disk ?

A disk is a round, flat data storage device that is used in computers. It is composed of a metal or plastic disk and encased in a hard material such as metal, plastic, or rubber. The disk is divided into concentric circles, or tracks, which are divided into sectors. Data is stored on the disk in the form of magnetic or optical signals.

A disk drive is a device used to read and write data from and to a disk. It includes a spindle, which is the rotating part of the drive that holds the disk, and a read/write head that is used to read and write data. Data is read from and written to the disk by the read/write head, which is capable of moving along the surface of the disk.

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Answer:[tex]\sqrt{\frac{3h}{gsin^2(\theta)} }-\sqrt{\frac{2h}{gsin^2(\theta)}}[/tex]

Explanation:

The resistance of a parallel circuit with resistances of 2 ohms, 4 ohms, 6 ohms, and 10 ohms is 1.75 ohms

The total resistance is calculated differently in a parallel circuit than in a series circuit. The formula to calculate the total resistance of a parallel circuit is:

1/Rt = 1/R1 + 1/R2 + 1/R3 + ...

Where Rt is the total resistance, and R1, R2, R3, etc. are the resistance values of the individual components in the circuit.

So, in a circuit with resistances of 2 ohms, 4 ohms, 6 ohms, and 10 ohms, the total resistance would be:

1/Rt = 1/2 + 1/4 + 1/6 + 1/10

Solving for Rt:

Rt = 1 / (1/2 + 1/4 + 1/6 + 1/10)

Rt = 1.75 ohms

Therefore, the total resistance of the parallel circuit with resistances of 2 ohms, 4 ohms, 6 ohms, and 10 ohms is 1.75 ohms

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The stated difference in air pressure between the outside and interior of a residence is 1528.86 Pa. (where the wind speed is zero).

The blades of a turbine, which resemble propellers and function much like an aeroplane wing, capture the wind's energy. A pocket or minimal air develops on one blade's other side as the wind blows. The blade is subsequently drawn into the low-pressure air pocket, which turns the rotor. It is known as lifting.

Spped of wind out side the home V₁ = 109 mph

= 109 * 1.608 Kmph

= 175.272Kmph

= 48.686 m/s

Spped of wind inside the home V₂ = 0 Kmph

Density of air ρ = 1.29Kg/m³

Bernoulli's equation states:

Pressure difference P = [tex]\mathrm{P}_2-\mathrm{P}_1=\frac{1}{2} \rho\left(v_1^2-v_2^2\right)[/tex]

= 0.5 * 1.29 * (48.686)²

= 1528.86 Pa

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The speed of the cars just after the collision is 0.875 m/s.

What is the calculated ?

The calculated answer will depend on the context of the question. Without more information it is not possible to provide a definitive answer.

The calculated answer is not possible to provide without knowing the question.

The calculated answer is not possible to determine without more information. Depending on the question and the associated data, the answer could vary.

This can be calculated using the conservation of momentum: Momentum before collision

Momentum after collision(14,000 kg x 1.50 m/s) + (10,000 kg x 0 m/s) = (24,000 kg x v),21,000 kg m/s = 24,000 kg x v,v = 21,000 kg m/s / 24,000 kg

= 0.875 m/s

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Only force or a normal force pointing upward. A shift is parallel to some of these forces, therefore no work occurs. Considering that the item is sliding at such a set speed, there's no pressure as in displaced direction.

A surface is said to be frictionless if it has a force acting on any thing that is practically zero or insignificant, i.e., there is no resistance between the surface and the material, allow the substance to move and walk easily without any friction.

Since there are greater electromagnetic forces acting between the two surfaces when a surface has no roughness, it will have more static friction than a surface that is rough, making frictionless surfaces impossible. The author merely wishes to disregard drag for gentle slopes.

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Height should be above the ground  is 2Om

The three fundamental concepts in physics are power, energy, and work. A force (push or pull) is said to have accomplished work when it causes an object to move after being applied. We define the capacity to carry out the work in terms of energy. The amount of work finished in a specific length of time is known as power. The discussion of work, energy, and power is extensive on this page.

In order for labour to be accomplished, a force must be applied, and there must also be motion or displacement in the direction of the force. The work performed by a force acting on an object is defined as the force multiplied by the distance travelled in the force's direction. Work has no purpose and is only

P. E = mgh

when g= 10ms^-1

1000j = 5 × 10 × h

1000j = 50h

h = 1000 ÷ 50

h = 2Om

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(2 pts.) What is the weight of the fish.spring with spring constant k = 340 N/m is used to weigh a 6.7-kg fish. a. (2 pts.)

What is weight ?

Weight is a measurement of the force of gravity on an object or person. It is typically measured in units of mass such as kilograms, pounds, or ounces. Weight is an important factor in determining a person's overall health, as well as their ability to perform physical tasks.

The spring stretches 0.2 m.

Fspring = F = ma = 340N = 6.7kg * a

a = 340N/6.7kg = 50.7 m/s^2

Δx = vt = 0 * t = 0

Δx = (1/2)at^2 = (1/2)(50.7 m/s^2)(t^2)

t = √(2Δx/a) = √(2*0.2m/50.7 m/s^2) = 0.2 m

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Explanation:

according to formula

efficiency= work output/work input

:. 0.30=work output/120

work output = 36J

hope this helps you.

False: The radius of the circular route changes when the test-mass riser is moved along the platform.

A circular route is what?

In contrast to a linear road, which follows a straight line, a circular path has a circular form or loop. It is a kind of motion that frequently occurs in mathematics, engineering, and physics. Circular routes are frequently used in engineering to explain the motion of components like wheels, gears, and pulleys.

In mathematics, rotations, orbits, circles, and other types of curves are frequently represented as circular routes. Circular routes may be employed in design, architecture, and other fields as well.

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the gravitational potential energy is held by an object the heavier it is and the higher it is above the surface of the earth.As weight and height increase, gravitational potential energy rises.

A doubling in height will lead to a doubling in gravitational potential energy since an object's gravitational potential energy is directly proportionate to its height above the zero point.The gravity potential energy will triple with a tripling of height.

Three variables—mass, gravity, and height—determine the gravitational potential energy.Energy is directly inversely proportional to all three variables.

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The kinetic energy of a body whose mass is 150kg covering a total distance of 115km/hr is 76,512.27J.

Kinetic energy is the energy possessed by an object because of its motion, equal (nonrelativistically) to one half the mass of the body times the square of its speed.

Kinetic energy = ½ mv²

Where;

According to this question, a body of mass 150kg is covering a total distance of 115km/hr.

115km/hr = 31.94m/s

K.E = ½ × 150 × 31.94²

K.E = 76,512.27J

Therefore, 76,512.27J is the kinetic energy of the body.

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The density of gold can be calculated by dividing the mass of the gold nugget (16.60 g) by the volume of water it displaces (in cm3).

The density of a material can be calculated by dividing the mass of the material by its volume. The formula is Density = Mass/Volume. In this case, the mass of the gold nugget is given (16.60 g) and the volume of water it displaces can be measured by reading the graduated cylinder.

To calculate the density of gold, we need to know the volume of water that the gold nugget displaces. To find the volume, we can subtract the initial water volume (V1) from the final water volume (V2) after the gold nugget has been added. We can then use the formula density = mass/volume to find the density of the gold nugget.

Density = mass / volume

Density of gold = 16.60 g / (V2 - V1)

The volume of water displaced by the gold nugget needs to be measured in order to calculate the density of the gold nugget.

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The greatest height reached by the ball is 15.876 m and the ball left the kicker's foot with the initial speed of 17.64 m/s.

Let's first calculate the time taken for the ball to get to the greatest height. This can be obtained as follow:

Time of flight (T) = 3.6 s

Time taken to reach the greatest height (t) =?

T = 2t

3.6 = 2 × t

Now divide both sides by 2

t = 3.6 / 2

t = 1.8 s

Time taken to reach the greatest height is 1.8 seconds.

Acceleration due to gravity (g) = 9.8 m/s²

Greatest height (h) =?

h = ½gt²

h = ½ × 9.8 × 1.8²

h = 15.876 m

The greatest height reached by the ball is 15.876 m

Greatest height (h) = 15.876 m

Acceleration due to gravity (g) = 9.8 m/s²

Final velocity (v) = 0 (at greatest height)

Initial velocity (u) =.?

v² = u² – 2gh (since the ball is in opposite direction of gravity)

0² = u² – (2 × 9.8 × 15.876)

0 = u² – 311.1696

After Collecting like terms, we'll get;

0 + 311.1696 = u²

311.1696 = u²

By taking the square root of both sides, we will get the initial velocity.

u = √311.1696

u = 17.64 m/s

hence the ball left the kicker's foot with an initial speed of 17.64 m/s.

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Work is described as the force applied over a distance, so

W = Fxd

F = W/d = 400 mJ / 0.1 m = 4000 N

So the average force exerted by the it on the ground is 4000 N.

If work is done then there are three components involved. These are the amount of force, the distance of the displacement, and the reason behind the displacement. After multiplying force and distance for work, we get the unit of joules.

Work is the usage of force to move an object. It is directly related to the force involved and the distance the thing moves. Work can be calculated with: Work = Force x Distance.

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The momentum of the system is -20 kg*m/s in the negative x-axis direction.

What is momentum?

Momentum is a fundamental concept in physics that describes the motion of an object. It is a vector quantity, meaning it has both magnitude and direction. The momentum of an object is equal to its mass multiplied by its velocity, or p = mv. The direction of the momentum is the same as the direction of the velocity.

The momentum of a system can be determined by summing the momenta of the individual objects in the system. The momentum of an object is equal to its mass multiplied by its velocity. The direction of the momentum is the same as the direction of the velocity.

For the first object, the momentum is:

p1 = mi * vi

p1 = 6 kg * 13 m/s

p1 = 78 kg*m/s (in positive x-axis direction)

For the second object, the momentum is:

p2 = mz * vz

p2 = 14 kg * -7 m/s

p2 = -98 kg*m/s (in negative x-axis direction)

To find the total momentum of the system, we add the momenta of the two objects:

p_total = p1 + p2

p_total = 78 kgm/s + (-98 kgm/s)

p_total = -20 kg*m/s (in negative x-axis direction)

So the momentum of the system is -20 kg*m/s in the negative x-axis direction.

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A third mass of 0.30 kg needs to be hung at a height of 30 cm.

a numerical representation of the fundamental aspect of all material, inertia. It generally refers to the body of matter's opposition to changing its velocity or location in response to the force applied to it. The change caused by an applied force is lower the more mass a body has.

Clockwise and counterclockwise torques must balance

4 * (50 - 20) = .6 * (80 - 50) + .3 * L

g is left out here because it will cancel

Here we are assuming  the mass at L will generate aclockwise torque along with the .6 kg mass

so L is measured to the right of the 50 cm mark.

Solving the above equation  (12 - 18) / .3 = L =-20

So the weight must be hung at 50 - 20 = 30 cm

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The color of light that travels faster in crown glass is red.

The speed of light in crown glass is the speed of light in a vacuum divided by the index of refraction of crown glass.

The speed of light traveling in vacuum = 3 times 10 to the 8 meters per second

The index of refraction of the crown glass for red light = 1.513

The index of refraction of the crown glass for blue light = 1.529

Therefore:

The speed of red color = 1.983 times 10 to the 8 meters per second

The speed of blue color = 1.962 times 10 to the 8 meters per second

Hence, the red light travels faster.

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With the frequency set at 1 Hz, if the inductance of the inductor is increased the maximum current increases. An increase in inductance of the inductor in an AC circuit will cause an increase in the maximum current.

The maximum current will rise when the inductor's inductance in an AC circuit increases. This is due to the fact that an increase in inductance also results in an increase in inductive reactance, which is the resistance to changes in current. In order to keep the same voltage across the inductor as the inductive reactance grows, the circuit's current must also grow. The inductive reactance is exactly inversely proportional to the inductance at a fixed frequency of 1 Hz, therefore as the inductance rises, the maximum current rises as well.It's also important to mention that the maximum current in an AC circuit is the peak current and in a sinusoidal wave the peak current is the RMS value multiplied by the square root of 2.

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The height and velocity of the football are calculated below.

What is velocity?

Velocity is a vector quantity that describes the rate of change of an object's position in a specific direction. It is defined as the displacement (change in position) of an object per unit time. The units of velocity are typically meters per second (m/s) or kilometers per hour (km/h). Velocity can also be represented by a vector arrow pointing in the direction of motion, with the magnitude of the arrow representing the speed of the object.

A. The greatest height reached by the ball can be calculated using the equation:

h = v_i^2 / (2 * g)

where h is the height, v_i is the initial velocity, and g is the acceleration due to gravity (approximately 9.8 m/s^2).

To find h:

h = (v_i^2) / (2 * 9.8)

B. To find the initial velocity, we can use the equation:

v_f^2 = v_i^2 + 2 * a * d

where v_f is the final velocity, v_i is the initial velocity, a is the acceleration (in this case, the acceleration due to gravity), and d is the distance traveled.

The distance traveled is the height of the ball at its highest point, which we found in part A. Since the ball is coming back down, final velocity will be zero.

v_f = 0

and the distance traveled is h.

Therefore,

v_i^2 = 2 * 9.8 * h

Finally, the initial velocity can be found by taking the square root of v_i^2.

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The density of air decreases as the altitude increases. The Temperature value decreases as the pressure value decreases with an increase in altitude.

The density of air or atmospheric density, denoted ρ, is the mass per unit volume of Earth's atmosphere. Air density, like air pressure, decreases with increasing altitude. It also changes with variation in atmospheric pressure, temperature and humidity. At 101.325 kPa (abs) and 20 °C (68 °F), air has a density of approximately 1.204 kg/m3 (0.0752 lb/cu ft), according to the International Standard Atmosphere (ISA). At 101.325 kPa (abs) and 15 °C (59 °F), air has a density of approximately 1.225 kg/m3 (0.0765 lb/cu ft), which is about 1⁄800 that of water, according to the International Standard Atmosphere (ISA).[citation needed] Pure liquid water is 1,000 kg/m3 (62 lb/cu ft).

Air density is a property used in many branches of science, engineering, and industry, including aeronautics; gravimetric analysis; the air-conditioning industry; atmospheric research and meteorology; agricultural engineering (modeling and tracking of Soil-Vegetation-Atmosphere-Transfer (SVAT) models); and the engineering community that deals with compressed air.

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The reason we use the kelvin scale for thermodynamic and dynamic meteorological equations is because it is an absolute temperature scale that relates directly to kinetic energy and volume.

Using the Kelvin scale of temperature, it is easy to represent many fundamental laws and their associated mathematical equations. The Kelvin scale is a scale of absolute temperature, with zero at absolute zero. As an absolute scale, the Kelvin scale does not allow for degrees to be used in measurements.

Given that it only measures positive values and that its zero point is the temperature of absolute zero, the Kelvin scale is an absolute scale. The lowest theoretical temperature, or zero Kelvin, is the point at which a body can no longer lose thermal energy.

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The engine provides power to accelerate the car at a rate of 75 * 1,000 / 60 = 7500 / 6 = 1250 metric tonnes / sec (power = m* v / t).

Things move more quickly when their rate, process, or other characteristics accelerate.It gets faster if the rate of anything accelerates or something accelerates it. The pace of growth will increase to 2.9% the following year.

Your transmission will deteriorate if you drive quicker since your motor will use more gasoline or diesel every mile. Furthermore, going so swiftly puts additional strain on your engine's tiny moving parts, which could hasten their wear-out.

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The current-carrying wire is the source(s) responsible for the magnetic field that exerts a force on the moving charge.

The same poles repel one another while opposite poles are attracted to one another. The north-seeking poles of the iron's atoms line up in the same direction when you rub it against a magnet. A magnetic field is produced by the force exerted by the aligned atoms.

The region surrounding a magnet where the effects of magnetism are felt is known as the magnetic field. To explain how the magnetic force is distributed in the area around and inside something magnetic in nature, we use the magnetic field as a tool.

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The galaxy that would appear to be the youngest when we look at a photograph of many galaxies assuming that all of these galaxies formed at the same time after the big bang is the one that is farthest away (option C)

The youngest and farthest galaxy that scientists have seen is GN-z11. This video pans to the object's distance of 32 billion light-years.

High-redshift galaxy GN-z11 can be found in the constellation Ursa Major. It was the farthest known galaxy ever found from Earth.

The 2016 publication led by Pascal Oesch and Gabriel Brammer revealed the 2015 discovery (Cosmic Dawn Center). With a spectroscopic redshift of z = 10.957, or a proper distance of roughly 32 billion light-years, GN-z11 was the oldest and most distant known galaxy yet identified in the observable universe until the James Webb Space Telescope found JADES-GS-z13-0 in 2022. (9.8 billion parsecs).

The question is incomplete, it should be:

Suppose that we look at a photograph of many galaxies. Assuming that all galaxies formed at about the same time, which galaxy in the picture is the youngest?

a. the one that is reddest in color

b. the one that is bluest in color

c. the one that is farthest away

d. the one that is closest to us e. the one that appears smallest in size

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The common angular speed is 6.5 x 10^⁻⁴ rad/s

To calculate the common angular speed of the reels during play, we need to first determine the linear speed of the tape on the outer reel. We can use the formula:

Linear speed = tape length / play time

So the linear speed of the tape on the outer reel is:

Linear speed = 281 m / (2 h * 3600 s/h)

                       = 0.078 m/s

Then we can use the formula for linear speed to find the angular speed:

Linear speed = angular speed x radius

So the angular speed of the outer reel is:

Angular speed = Linear speed / radius

= 0.078 m/s / (45 mm / 1000 m/mm)

= 1.7 x 10^⁻⁴ rad/s

The inner reel radius is 12mm, so the angular speed of the inner reel is:

Angular speed = Linear speed / radius

= 0.078 m/s / (12 mm / 1000 m/mm)

= 6.5 x 10^⁻⁴ rad/s

This is the common angular speed of the reels when both have the same angular speed.

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calculate the amplitude at point on the string a distance of 17.0 cm from the left-hand end of the string. express your answer in meters.

In this case, we are given the distance of the point from the left-hand end of the string, but we are not given the amplitude of the source. So, we cannot calculate the amplitude at the point using the information provided.

To calculate the amplitude at a point on a string, we need to know the amplitude of the source that is vibrating the string and the distance the point is from the source. To calculate the amplitude at a point on the string a distance of 17.0 cm from the left-hand end of the string, we can use the equation for a sinusoidal wave: y(x,t) = A * sin (2π (f(t-x/v)) ). Where A is the amplitude, f is the frequency, λ is the wavelength, t is time, v is the speed of the wave, and x is the position along the string.. Let's assume that the amplitude of the wave at the left-hand end of the string is A0. The amplitude at a distance of x = 17.0 cm from the left-hand end of the string is given by: A = A0 * cos(2π(x/λ)). We know that the distance is given in centimeters, but the formula is in meters, so we need to convert it to meters. The distance 17cm is equal to 0.17m. The amplitude at a point 17.0 cm from the left-hand end of the string is: A = A0 * cos(2π(0.17m/λ)).

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The ranking of the boxes from largest to smallest is (d) 150 N pushing on 7 kg box, > (f) 150 N pushing on 1 kg box, > (a) 140 N pushing on 5 kg box, > (b) 140 N pushing on 3 kg box, > (e) 130 N pushing on 7 kg box, > (c) 120 N pushing on 3 kg box.

There are two forces acting on each book, perpendicular to each other. One is the pushing force, which is acting normal to the wall and the other one is gravitational force(weight) of the box acting downwards.

For box a) weight of the box, = 5 × 9.81 = 49.05 N

Pushing force on the box(a), = 140 N

Resultant force, R₁ = √(140²+49.05²) = 148.34 N

Similarly for box (b), R₂ = = √(140²+29.43²) = 143.06 N

Similarly for box (c), R₃ = = √(120²+29.43²) = 123.56 N

Similarly for box (d), R₄ = = √(150²+68.67²) = 164.97 N

Similarly for box (e), R₅ = = √(130²+68.67²) = 147.16 N

Similarly for box (f), R₆ = = √(150²+9.81²) = 150.32 N

So the ranking from largest to smallest force would be, d > f > a > b > e > c.

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The wavelength of red light in the visible spectrum is longer than that of blue light. In general, red light has a wavelength range of around 620–750 nanometers, while blue light has a wavelength range of around 450–495 nanometers.

Chlorophyll, the pigment that is responsible for photosynthesis in plants, primarily absorbs light in the blue and red regions of the visible spectrum. Chlorophyll reflects green light, which is why most plants appear green. Chlorophyll a absorbs the most light in the blue-violet and red (about 430 and 662 nm, respectively), while chlorophyll b absorbs in the blue and orange-red (about 453 and 642 nm, respectively)s why most plants appear green. Chlorophyll a absorbs the most light in the blue-violet and red (about 430 and 662 nm, respectively), while chlorophyll b absorbs in the blue and orange-red (about 453 and 642 nm, respectively). This is why it seems as if the chlorophyll reflects green.

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