what is the efficiency of the cycle? express your answer as a percentage using three significant figures.

A diode is a two terminal device that passes and blocks the current.

A diode is a semiconductor gadget that essentially switches current in a single direction.

However, it substantially inhibits current flow in the opposite direction. It permits an easy flow of current in one direction.

Due to the fact that they convert alternating electricity into pulsing direct current, diodes are sometimes referred to as rectifiers. Type, voltage, and current capability are used to rate diodes.

The anode and cathode determine the polarity of diodes. The majority of diodes only permit current to flow when the anode is subjected to positive voltage.

A diode is forward-biased when it permits current flow. Reverse-biased diodes function as insulators.

The arrow of the diode symbol points away from the direction of electron flow. The symbol was created by engineers, whose current flowed in a positive direction.

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Answer: so basically, Newtons Law states that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

Explanation: newtons law simplified in my opinion is a physical law that describes the attraction between two objects with mass.

hope this helps.

Answer:

Explanation:

she rieat

Answer:

U-235

Explanation:

a rare needed compound

ANSWER:

294 N

STEP-BY-STEP EXPLANATION:

We can calculate the weight as follows:

Replacing:

Weight is 294 N

Answer:

Point A

Explanation:

Because it reaches maximum height

Answer:

Scandium with an ion charge of +3

Explanation:

Answer:

i think it's 15

Explanation:

because the charge of a proton is +1 and for an electron it's -1

Answer:

During photosynthesis solar energy is converted into chemical energy

Explanation:

During photosynthesis solar energy is converted into chemical energy in the form of energy rich bond of ATP molecule.

ATP (Adenosine triphosphate) and ADP (Adenosine diphosphate) molecules are termed currency of energy. ADP molecule is converted into ATP molecules, whenever energy is available in certain exothermic reactions of metabolism.

ATP molecules are store- house of energy. ATP molecule is broken down into ADP molecule in presence of enzyme ATPase, releasing energy whenever energy is required.

The synthesis of ATP molecules, utilizing solar energy during photosynthesis, is termed photo-phosphorylation.

These ATP molecules produced during light reaction of photosynthesis are utilized in dark reaction of photosynthesis (Calvin cycle).

ATP molecules synthesized during photo-phosphorylation may also be used in other metabolic reactions.

Photo-phosphorylation is of 2 types, i.e. Cyclic and Non-cyclic photo-phosphorylation.

Chlorophyll molecules entrap solar energy . There are 2 types of photo-systems in chlorophyll. These are photo-system -I and photo-system-II .

The electrons of chlorophyll molecule of photo-system I get excited which pass through series of electron carriers in electron transport system arranged in the order of decreasing energy level.

During the passage of electrons from carriers of higher energy level to the carriers of lower energy level, the energy is lost which is utilized for converting ADP molecule into ATP molecule.

Photo-system I is concerned with light reaction of photosynthesis only, constituting cyclic photo-phosphorylation.

The electron transport during Photo-system II results in the synthesis of NADPH2 in presence of enzyme NADP reductase. NADPH2 is used in reduction reaction of Calvin cycle.

Both Photo-systems participate in non-cyclic photo-phosphorylation that results in the synthesis of NADPH2 in addition to the synthesis of ATP molecules.

The diver was 10.425m deep when they came to a stop and the rate of acceleration in the water was \(-9.4m/s^2\).

Given the height of springboard from water (h) = 10m

Time after which the diver comes to a stop = 1.5s

Let the depth the diver reached in water = d

The final velocity after he reaches the depth (v) = 0m/s

Lett the speed of diver after free fall until he reaches water = um/s

According to Newtons laws of motion we know that \(v^2 - u^2 = 2gh\)where g is the acceleration due to gravity = \(9.8m/s^2\) then:

\(0^2 - u^2 = 2*(-9.8)*(10)\)

\(u^2 = 196 \\u = \sqrt{196} = 14m/s\)

The initial velocity with which the diver reaches water surface = 14m/s

The rate of acceleration in the water can be calculated using the equation:

a = (Vf - Vi) / t where Vf is the final velocity, Vi is the initial velocity, and t is the time it takes for the diver to come to a stop.

\(a = (0 - 14)/1.5 = -9.4 m/s^2\)

Then  the distance the diver travelled in water before coming to rest is calculated as below:

\(s = ut + 1/2at^2\) then:

\(d = 14 * 1.5 - 1/2 * (-9.4) * 1.5 * 1.5\)

d = 21 - 10.575 = 10.425m

Therefore, the depth of the diver when they came to a stop was 10.425m

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Answer:

Light energy

Explanation:

This happens by means of chlorophyll combining with the carbon, from carbon dioxide, and the hydrogen and oxygen, from water, to form carbohydrates

Answer: 0.22

Explanation: Subtract 0.01kg from 0.23kg

The height of the building where a penny falls and hits the ground going 30 m/s is 45.9 m.

The height of the building can be calculated with the following equation:

\( v_{f}^{2} = v_{i}^{2} + 2gh \)

Where:

\( v_{f}\): is the final speed = 30 m/s

\( v_{i}\): is the initial velocity = 0 (it falls from rest)

g: is the acceleration due to gravity = 9.81 m/s²

h: is the height =?

Hence, the height is:

\( h = \frac{v_{f}^{2} - v_{i}^{2}}{2g} = \frac{(30 m/s)^{2}}{2*9.81 m/s^{2}} = 45.9 m \)

Therefore, the height of the building is 45.9 m.  

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Answer:

Sphere is a geometrical object in dimensional space  that surface of a circle and ball.

Explanation:

Sphere is that the circular objects in the two dimensional space (1) circle

(2) disk. Two dimensional space is a set of points and the distance of that point,The two points of Sphere that length and center.

Sphere can constructed as the named of surface form circle about  any diameter. circle is the special type of the revolution replacing the circle,

sphere is the distance r is the radius of the ball and circle  is the center of mathematical ball,as the center and the radius of the sphere is to respectively.

The ball and sphere has not be maintained mathematical references  as a solid references. A sphere of any radius is centered at the number of zero.

Answer:

9828 coulombs

Explanation:

z = \(\sqrt{3x^2 + 3y^2}\)

Relation between the cartesian and polar coordinates

x = r cos ∅

y = r sin ∅

z = \(\sqrt{3x^2 + 3y^2}\) = \(\sqrt{3r}\)

next we calculate the surface charge density of the cone

б ( r, ∅ ) = xyz^2 = 3r^4 sin∅ cos∅

Charge given as

Q = ∫ б(r,∅ )ds

   = ∫ б(r,∅ ) \(\sqrt{1 +( \frac{dz}{dx})^2 + (\frac{dz}{dx} )^2 } dA\)

after integration

Q  = ∫ б(r,∅ ) 2dA

Attached below is the remaining part of the solution

False. While there are known long-term effects of radiation exposure, the specific effects on an individual can vary depending on factors such as the type and amount of radiation exposure, age, health status, and genetics.

Some known long-term effects of radiation exposure include an increased risk of cancer, genetic mutations, and damage to organs such as the thyroid and reproductive organs. However, the severity and timing of these effects can vary widely among individuals. Additionally, exposure to radiation can also have immediate effects such as skin burns and radiation sickness. It is important to note that the long-term effects of radiation exposure can be reduced through measures such as limiting exposure time, using protective equipment, and following proper safety protocols.
b. False

Long-term effects of radiation on an individual are not entirely predictable. While it is true that exposure to high levels of radiation can lead to an increased risk of certain health issues such as cancer and genetic mutations, the specific outcome for an individual depends on various factors. These factors include the type and amount of radiation, duration of exposure, age, and individual genetic makeup. Additionally, the latent period between radiation exposure and the onset of health issues can vary significantly, making it challenging to predict the exact long-term effects for a particular individual.

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The age of the cloth material is obtained from the calculation as  1843 years .

We know that the half life of a radioactive isotope refers to the time that is taken for only half of the number of the original radioactive isotopes that are present to remain in the sample.

We can be able to obtain the age of the cloth by looking at the amount of the radioactive carbon -14 that is still left in the sample. How do we do that? We have to turn to a formula that says;

0.693/\(t_{\frac{1}{2} }\) = 2.303/tlog (Ao/A)

\(t_{\frac{1}{2} }\) = half life of the material

t = age of the material

Ao = amount initially present

A = Amount present at time t

Then we have;

0.693/5730 = 2.303/tlog (Ao/0.8Ao)

1.21 * 10^-4 = 0.223/t

t = 0.223/1.21 * 10^-4

t = 1843 years

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Answer:

B. chromosphere

Explanation:

Immediately above the Sun's photosphere is the _______, which is the Sun's lower atmosphere. A. core B. chromosphere C. corona D. solar wind

Answer:

Try lookin those questions up on Brainly

Explanation:

Answer:

a) α = -65,2 rad/s².

b) t = 2,57 s.

Explanation:

a) La aceleración angular se puede calcular usando la siguiente ecuación:

\( \omega_{f}^{2} = \omega_{0}^{2} + 2\alpha \theta \)

En donde:

\(\omega_{f}\): es la velocidad angular final =  2000 rpm = 209,4 rad/s

\(\omega_{0}\): es la velocidad angular inicial = 3600 rpm = 377,0 rad/s

α: es la aceleración angular=?

θ: es el desplazamiento o número de vueltas = 120 rev = 754,0 rad

Las conversiones de unidades se hicieron sabiendo que 1 revolución = 2π radianes y que 1 minuto = 60 segundos.  

Resolviendo la ecuación (1) para α, tenemos:

\(\alpha = \frac{\omega_{f}^{2} - \omega_{0}^{2}}{2\theta} = \frac{(209,4 rad/s)^{2} - (377,0 rad/s)^{2}}{2*754,0 rad} = -65,2 rad/s^{2}\)  

Entonces, la aceleración angular es -65,2 rad/s². El signo negativo se debe a que el motor está desacelerando.  

b) El tiempo transcurrido se puede encontrar como sigue:

\( \omega_{f} = \omega_{0} + \alpha t \)

Resolviendo para t, tenemos:

\(t = \frac{\omega_{f} - \omega_{0}}{\alpha} = \frac{209,4 rad/s - 377,0 rad/s}{-65,3 rad/s^{2}} = 2,57 s\)

Por lo tanto, el tiempo transcurrido fue 2,57 s.

Espero que te sea de utilidad!

The Rio Grande is one of the largest river systems in the United States, running over 3,000 kilometers from the mountains of Colorado to the Gulf of Mexico. The river flows from north to south and passes through several states, including Colorado, New Mexico, and Texas.

A comparison of the discharge of the Rio Grande at Albuquerque and at Otowi Bridge (located upstream, near Santa Fe) is as follows: Albuquerque: It is the largest city in New Mexico, situated in the central part of the state. The Rio Grande flows through the city, where it is dammed to form a large lake known as Elephant Butte Reservoir. The discharge of the Rio Grande at Albuquerque is around 100 cubic feet per second (cfs) during normal conditions.

This means that the river has twice the volume of water at Otowi Bridge than at Albuquerque.During times of drought, the river's discharge can drop to dangerously low levels, affecting wildlife and human communities that rely on the river for water. The river's discharge can also increase during periods of heavy rainfall or snowmelt, leading to flooding in downstream communities.

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The refractive index of the material is 0.

When the ray is incident on a transparent surface at an angle of 360 and the angle of refraction within the material is 27°, the refractive index of the material can be determined. The formula for Snell’s law is used to calculate refractive index. It states that: `sin i / sin r = n where i is the angle of incidence, r is the angle of refraction and n is the refractive index`.Snell’s law can be re-arranged to make n the subject of the formula to be: `n = sin i / sin r`Hence, we can calculate the refractive index as follows:

For the incident ray, i = 360° and the angle of refraction within the material, r = 27°.n = sin i / sin r= sin 360°/ sin 27°= 0/1 (since sin 360° = 0)= 0Therefore, the refractive index of the material is 0. T

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Answer:

See below

Explanation:

v = a t     =  3.5 s  * 10 m/s^2  = 35 m/s

The pace at which an object's velocity changes is known as acceleration. where an is the acceleration, v is the object's ultimate velocity, u is its starting velocity, and t is the amount of time that has passed. The speed after falling for 3.5 s is 35 m/s.

v = u + at is the first equation of motion. Here, v denotes the end speed, u is the starting speed, a is the acceleration, and t is the passage of time. The first equation of motion is provided by the velocity-time relation, which may be used to calculate acceleration.

Here taking the initial velocity as zero, then the expression is:

v = at

v = 10.0 m /s² × 3.5 s

v = 35 m/s

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Answer:

less surface area the heels have the toe area and the thin heel as the flat shoe has the entire bottom.

Explanation:

Therefore, the orbital speed of the satellite that orbits at an altitude of one Earth radius above the surface of the Earth is 7.91 x 103 m/s.

When an object orbits around the Earth, it is influenced by two forces: gravity and centrifugal force. The gravitational force is directed towards the center of the Earth, while the centrifugal force is directed away from the center of the Earth, and it is perpendicular to the gravitational force.

Therefore, these two forces balance each other, and the object follows an elliptical orbit around the Earth.

The period of the orbit is the time that the object takes to complete one full revolution around the Earth.

The speed of the object depends on the radius of the orbit, and the mass of the Earth.

The formula to calculate the speed of the object is given by:

v = √(G M / r)

where: v is the speed of the object, G is the gravitational constant, M is the mass of the Earth, r is the radius of the orbit.

The value of G is 6.67 x 10-11 N m2 / kg2

The mass of the Earth is 5.97 x 1024 kg

The radius of the orbit is equal to the sum of the radius of the Earth and the altitude of the satellite, which is one Earth radius above the surface of the Earth.

Therefore, the radius of the orbit is:

r = 6.37 x 106 m + 6.37 x 106 m = 1.27 x 107 m

Substituting the values in the formula:

v = √(6.67 x 10-11 N m2 / kg2 x 5.97 x 1024 kg / 1.27 x 107 m)

v = 7.91 x 103 m/s

This is the speed required for the satellite to remain in orbit around the Earth.

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C.S. Lewis believed that science and magic are distinct and incompatible ways of knowing and interacting with the world

C.S. Lewis believed that science and magic are distinct and incompatible ways of knowing and interacting with the world. Science is concerned with understanding the natural world through observation and experimentation, while magic is a form of supernatural power that operates outside the laws of nature.

Lewis also believed that science and magic have different ethical implications. Science is morally neutral, while the use of magic often has negative consequences and can lead to a desire for power and control.

In his fiction, such as the Chronicles of Narnia series, Lewis often used the contrast between science and magic to explore larger philosophical and spiritual themes.

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Answer:

5

Explanation:

100 newtons pulling a 500 newton object has the mechanical advantage of 5 since it pulled 5x its weight

the expression is simple: 500/100= 5 (5 is the mechanical advantage)

pls mark me brainliest if this is right lol ty

If the coefficient of friction is.2, the frictional force is 100 N.

The resistive force of friction (Fr) divided by the normal or perpendicular force (N) pushing the objects together yields the coefficient of friction (fr), which is a numerical value. The formula fr = Fr/N serves as a representation of it.

F = N is the equation for frictional force. Let's use the 2-kg block of wood that is resting on a table to be pushed from rest as an example. The static friction coefficient is taken into account in this situation. The static coefficient of wood is 0.5.

F = μN

F = 2 × 100 ×cos60°

F = 200 × 1/2

F = 100 N

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Answer:

meteorites, meteors are objects that enter Earth's atmosphere from space. But meteors—which are typically pieces of comet dust no larger than a grain of rice—burn up before reaching the ground. ... The term “meteorite” refers only to those bodies that survive the trip through the atmosphere and reach Earth's surface. I believe this is it

Answer:

V₂ = 150 mL

Explanation:

Given that,

Initial volume of a gas, \(V_1=300\ mL\)

Initial pressure, \(P_1=40\ kPa\)

We need to find the volume of gas if the pressure is changed to 80 kPa. Boyle's law states that the relationship between pressure and volume is inverse. Mathematically,

\(P_1V_1=P_2V_2\)

\(V_2=\dfrac{P_1V_1}{P_2}\\\\V_2=\dfrac{300\times 40}{80}\\\\V_2=150\ mL\)

So, the new volume is 150 mL.

Answer:

xbzcfhkuvy

Explanation:

dvdvxvdzdx