what force ultimately spins a turbine to generate electricity in a concentrated solar power (csp) system?
Answers
The force that ultimately spins a turbine to generate electricity in a concentrated solar power (CSP) system is the steam produced from the concentrated solar thermal energy that heats the water in a boiler.
Concentrated solar power (CSP) systems use mirrors or lenses to concentrate sunlight onto a small area of a heat-transfer fluid that circulates in a closed-loop system.
The heat-transfer fluid carries the concentrated solar thermal energy to a boiler, where it heats water to produce steam.
The steam generated is then used to power a turbine that spins a generator, which produces electricity. Therefore, the force that ultimately spins the turbine to generate electricity is the steam produced from the concentrated solar thermal energy that heats the water in a boiler.
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Related Questions
a block of volume 0.4 m3 floats with 0.52 of its volume submerged in a liquid of density 1300 kg/m3 , as shown.find the magnitude of the buoyant force on the block. the acceleration of gravity is 9.8 m/s 2 . answer in units of n.
Answers
The buoyant force on an object is equal to the weight of the fluid displaced by the object. Using this principle and given values, the magnitude of the buoyant force on the block is 2136.8 N.
According to Archimedes' principle, the buoyant force on an object is equal to the weight of the fluid displaced by the object. This means that the upward force exerted by the fluid on the object is equal to the weight of the fluid that would occupy the same volume as the object if it were not present. Therefore, we need to find the weight of the fluid that is displaced by the block.
Given that the block floats with 0.52 of its volume submerged in the liquid of density 1300 kg/m3, we can find the volume of the fluid displaced by the block as follows:
The volume of fluid displaced = 0.52 × Volume of block
= 0.52 × 0.4 m3
= 0.208 m3
The weight of the fluid displaced by the block can be found using the density and volume of the fluid as follows:
Weight of fluid displaced = Density of fluid × Volume of fluid displaced × Acceleration due to gravity
= 1300 kg/m3 × 0.208 m3 × 9.8 m/s2
= 2136.8 N
Therefore, the magnitude of the buoyant force on the block is 2136.8 N.
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what is the resistance of a conductor that carries a current of 120 amperes when the potential difference between its ends is 240 volts?
Answers
The resistance of a conductor that carries a current of 120 amperes when the potential difference between its ends is 240 volts = 2 Ω
Electrical resistanceElectrical resistance is the force that opposes the flow of current, it's a component that can reduce the speed and quantity of the flow of electrons in an electric circuit.
The formula for electrical resistance can be seen to have several components, namely R is the resistance (Ω), V is the voltage (V), and I is the current strength (A).
The equation:
R = V/I
We have,
Current strength = 120 A
The potential difference between its ends = 240 V
So, the resistance of a conductor that carries a current of 120 amperes when the potential difference between its ends is 240 volts:
R = 240 V / 120 A
= 2 Ω
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Which plant has the highest density? A. NeptuneB. JupiterC. EarthD. Mercury
Answers
To find:
Which of the planets has the highest density.
Explanation:
Neptune is known as the ice planet. It has a higher density than gas giants but a lower density than rocky planets. The density of the Neptune is 1638 kg/m³.
Jupiter is known as a gas giant. Gas giants has the lowest densities. The density of Jupiter is 1326 kg/m³.
The Earth and the Mercury are rocky planets. The densities of rocky planets are more than that of the gas giants and ice giants. The density of the Earth is 5514 kg/m³ and the density of the Mercury is 5429 kg/m³.
Final answer:
On comparing the densities of the planets, the Earth has the highest density.
Thus the correct answer is option C.
A crate is being pulled down an incline as shown in the figure. With respect to the crate's direction of motion, which of the following forces does only negative work on the crate?
Answers
Answer: Fn
Explanation: Because Fn is applying force upward
a small motor runs a lift that raises a load of bricks weighing 916 n to a height of 12.2 m in 24.2 s .assuming that the bricks are lifted with constant speed, what is the minimum power the motor must produce?
Answers
It is referred to as moving at a constant speed when an object's speed remains constant and neither increases nor decreases.
An endless motion is what?A number that remains constant during motion is known as a constant of motion in mechanics, because it effectively places restrictions on motion. However, it is a mathematical limitation rather than a physical one, resulting naturally from the equations of motion (which would require extra constraint forces).
How quickly does night fall?Darkness moves at the same rate as light. More correctly, darkness is simply the absence of light and not a separate physical entity that exists on its own. whenever you partially or completely obstruct the light, such as by cupping your hands,
W=F×d
P=W/t
W= 816 N × 13.2 m=10771.2
P= 10771.2 J / 28.2 s
P=381.96 watts
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There are two goals in the game of soccer. : False True
Answers
Answer: true
Explanation:
Answer:
True
Explanation:
Gina made a poster for plastic recycling week and included this information on her poster:
A 2-column table with 3 rows. The first column labeled natural has entries cellulose, rubber tires, D N A. The second column labeled synthetic has entries plastic, starch, nylon.
What corrections should Gina make? Check all that apply.Gina should put “cellulose” under “Synthetic.”
Gina should put “plastic” under “Natural.”
Gina should put “rubber tires” under “Synthetic.”
Gina should put “starch” under “Natural.”
Gina should put “DNA” under “Synthetic.”
Gina should put “nylon” under “Natural.”
Answers
Answer:
Gina should put “rubber tires” under “Synthetic.”
Gina should put “starch” under “Natural.”
Explanation:
Answer:
C) Gina should put rubber tires under “Synthetic.”
D) Gina should put starch under “Natural.”
Explanation:
I'm late :(
Can the sun explain global warming? ( 2 points) Suppose that the Earth has warmed up by 1 K in the last hundred years. i) How much would the solar constant have to increase to explain this? ii) Compare this to the observed fluctuation of the solar constant over the past 400 years (shown in class) For part (i), begin with the standard 'blackbody' calculation from class, that is: set α=0.30, and assume that the Earth acts as a blackbody in the infrared.
Answers
No, the sun cannot explain global warming. Global warming is a phenomenon in which the temperature of the Earth's surface and atmosphere is rising continuously due to human activities such as deforestation, burning of fossil fuels, and industrialization.
This increase in temperature cannot be explained only by an increase in solar radiation.There are several factors which contribute to global warming, including greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the Earth's atmosphere, which causes the planet's temperature to rise. The sun's radiation does contribute to global warming, but it is not the main cause.
i) To calculate the increase in solar radiation that would cause the Earth to warm up by 1 K, we can use the following formula:ΔS = ΔT / αWhere ΔS is the increase in solar constant, ΔT is the increase in temperature, and α is the Earth's albedo (reflectivity).α = 0.30 is the standard value used for the Earth's albedo.ΔS = ΔT / αΔS = 1 K / 0.30ΔS = 3.33 W/m2So, to explain the increase in temperature of 1 K over the last hundred years, the solar constant would need to increase by 3.33 W/m2.
ii) The observed fluctuation of the solar constant over the past 400 years has been around 0.1% to 0.2%. This is much smaller than the 3.33 W/m2 required to explain the increase in temperature of 1 K over the last hundred years. Therefore, it is unlikely that the sun is the main cause of global warming.
The sun cannot explain global warming. While the sun's radiation does contribute to global warming, it is not the main cause. The main cause of global warming is human activities, particularly the burning of fossil fuels, which release large amounts of greenhouse gases into the atmosphere.
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the operating speed of a fluid power system is adjusted by the ____.
Answers
The operating speed of a fluid power system is adjusted by the flow control valve. Flow control valves are used in fluid power systems to adjust the speed of actuator operations. They function by limiting the flow of fluid in the system.
They also act as a pressure regulator, ensuring that the actuator receives only the fluid it requires to execute its task. The fluid flow in a hydraulic system can be adjusted or regulated using a flow control valve. The flow control valve, or metering valve, is a device that regulates the speed of fluid flow to the actuator. It is used in a variety of hydraulic systems, from braking systems to production line machinery.
The flow control valve is a critical component in a hydraulic system. It is a simple device that regulates fluid flow. It regulates the speed of fluid flow through the system to maintain the desired speed of actuator movement. This guarantees that the actuator does not move too quickly or too slowly and that the system is efficient and reliable.
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Which term is the rate at which work is done? a. energy b. powerc. joulesd. force
Answers
Answer:
power
power is the rate of doing work. It is equivalent to an amount of energy consumed per unit time. In the SI system, the unit of power is the joule per second (J/s).
Two possible units of magnetic field are named after famous western scientists, choose two units of magnetic field from the list below. Select one or more: Weber Amp Tesla Lorentz Gauss Volt
Answers
Two units of magnetic field named after famous Western scientists are Weber and Gauss.
In electromagnetism, the magnetic field is a vector field that represents the magnetic effects of electric charges in motion. The magnetic field is defined as a field in which an electric charge will experience a magnetic force. It is produced by electric charges and currents. A magnetic field is created by a magnet or a moving electric charge or other magnetic fields.
The strength of a magnetic field is determined by the number of magnetic field lines or magnetic fluxes that pass through a surface placed perpendicular to the direction of magnetic field lines. It is calculated in the unit of Tesla (T). In addition to Tesla, there are two other units of magnetic field named after famous Western scientists: Gauss and Weber. A magnetic field with a strength of one gauss is equivalent to one ten-thousandth (0.0001) of a Tesla.
Gauss is a unit of magnetic flux density and is named after the famous German mathematician Carl Friedrich Gauss. Weber is named after Wilhelm Eduard Weber, and it is a unit of magnetic flux. The Weber is equivalent to the magnetic flux that crosses one square meter of surface area at right angles to a magnetic field of one tesla.
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Vivian is walking to the hair salon at 1.96 m/s when she glances at her watch and realizes that she is going to be late for her appointment. Vivian gradually quickens her pace at a rate of 0.067 m/s2. What is Vivian’s speed after 13.40 s?
Answers
Answer:
the answer will be for 45.6
2.) A rock is kicked off a 5m high cliff. The rock lands 7m from the base of the cliff. With what velocity was the rock initially kicked?
Answers
The velocity with which the rock initially kicked if the cliff is 5 m high and the rock lands 7m from the base of the cliff is 6.93 m / s
s = ut + 1 / 2 at²
s = Distance
u = Initial velocity
t = Time
a = Acceleration
In vertical motion,
s = 5 m
u = 0
a = 9.8 m / s²
5 = 0 + ( 1 / 2 * 9.8 * t² )
t² = 1.02
t = 1.01 s
In horizontal motion,
s = 7 m
a = 0 ( Since velocity is constant )
7 = 1.01 u + 0
u = 7 / 1.01
u = 6.93 m / s
Therefore, the velocity with which the rock initially kicked is 6.93 m / s
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It takes a person 22 seconds to swim in a straight line from the south end of the pool to the north end of the pool a distance of 28 meters. What is the swimmers velocity? A. 0.8 m/s south b. 1.3 m/s north C. 1.3 m/s north D. 0.8 me north
Answers
Answer:1.3 m/s north
Explanation:
just did it on apex
if a gram of antimatter meets a kilogram of matter, the amount of mass to survive is group of answer choices 1 kilogram. 999 grams. 1 gram. 1.1 kilogram.
Answers
If a gram of antimatter meets a kilogram of matter, the amount of mass to survive is 1 gram.
Matter :
A substance called matter is made up of different kinds of particles, occupies space, and has inertia.
The various types of particles each have a unique mass and size according to the fundamentals of modern physics.
Antimatter :
As the opposite particles of the corresponding particles in "ordinary" matter, the antimatter is defined as matter made up of them.
The two particles' combined mass is entirely converted into energy. The term "matter-antimatter annihilation" refers to this process.
If a gram of antimatter meets a kilogram of matter, the amount of mass to survive is 1 gram.
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Which of the following particle is responsible for the transfer of static charge?
A. Neutron
B. Electron
C. Proton
D. A & C
Answers
Answer:
B. Electron
Static charge is produced by electron transfer.
Explanation:
Answer A: The neutron does not possess a charge and is said to be neutral.
Answer D: Protons and neutrons never move from object to object.
Only negative charges can move freely from one object to another. The energy that comes from these charges particles is called electrical energy.
....
Hope this answer can help you.
The answer is an electron.
In which one of the following list are all energy sources examples of mechanical energy?
A) Wind, Tidal energy, Coiled spring
B) Sun, Flowing water, Biomass
C) Flowing water, High pressure steam, Fuel oil
D) Wood, Flowing water, High pressure steam
Answers
In option A, all the energy sources listed are examples of mechanical energy. Mechanical energy refers to the energy associated with the motion and position of objects or systems. Let's examine each example:
Wind: Wind energy is harnessed by capturing the kinetic energy of moving air. Wind turbines convert the mechanical energy of the wind into electrical energy.
Tidal energy: Tidal energy is generated by harnessing the kinetic energy of ocean tides. This energy is converted into mechanical energy to drive turbines and generate electricity.
Coiled spring: A coiled spring stores potential energy when it is compressed or stretched. When released, it converts the potential energy into mechanical energy as it returns to its original shape.
These examples all involve the conversion or utilization of mechanical energy. In contrast, the other options include energy sources that involve different forms of energy conversion, such as solar energy (option B), thermal energy (option C), or chemical energy (option D).
Therefore, option A is the only list where all the energy sources are examples of mechanical energy.
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FILL IN THE BLANK. Sometimes interactions are difficult to analyze during the process that causes changes in motion. In these cases it can be easier to describe the overall____in motion rather than detail it step by step.
Answers
Sometimes interactions between objects in motion are difficult to analyze during the process that causes changes in motion. In these cases, it can be easier to describe the overall change in motion rather than detail it step by step.
How describing overall change in motion is easier?In some cases, analyzing the interactions that cause changes in motion can be challenging. In such scenarios, it is more convenient to describe the overall change in motion rather than detailing each step. This approach is often referred to as the principle of conservation of momentum. This principle states that the total momentum of an isolated system remains constant in the absence of external forces.
It can be applied to a wide range of physical phenomena, including collisions between objects, rocket propulsion, and fluid dynamics. By using this principle, scientists and engineers can make accurate predictions about the behavior of physical systems without needing to analyze every individual interaction.
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What are the three main guidelines in psychological research?
Answers
Answer:
Ethical Guidelines for Research With Human Subjects
Participation Must Be Voluntary.
Researchers Must Obtain Informed Consent.
Researchers Must Maintain Participant Confidentiality
Explanation:
Basta Yun na yan correct me if I'm wrong hehehhe
If an unbalanced force acts on an object, what will happen?
Answers
Answer:
An unbalanced force acting on an object causes it to accelerate. There are two points to note about the acceleration of an object when an unbalanced force acts on it. The bigger the unbalanced force acting on the object the bigger the acceleration of the object.Explanation:
Q- A body is acted upon by two forces 30N due east and 40N due North. Calculate
resultant and its direction.
Answers
Answer:
the following image will make you understand
Explanation:
a football kicker can give the ball an initial speed of 25m/s. what are the a) least and b) the greatest elevation angles at which he can kick the ball to score a field goal from a point 50m in front of goalposts whose horizontal bar is 3.44m above the ground?
Answers
tan0=1.95 and tan0=0.605 are two solutions. 0 = 63 and theta 0 = 31 are the corresponding (first quadrant) angles.
The elevation angle is the angle between the horizontal line of sight and the object when standing and looking at something. The angle of depression is the angle between the horizontal line of sight and the object if the person is standing and looking down at the object. The rise or rise of something is called elevation. Mountains have an elevation based on their height, and your mood rises the happier you are. Elevation is a noun that describes the height of something above a surface or ground line. It is also a term of measurement for things like temperatures or degrees.
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A 3.00 V battery is connected to the ends of a length
of constantan wire of resistance 12.1 Ohms. Calculate the
charge that flows through the wire in 60 s. Write down
any equations you use. Give your answer to three
significant figures.
Charge=
______C [5 marks]
Answers
Answer: The charge that flows through the wire in 60 s is 14.87 C.
Explanation: The charge that flows through the wire in 60 s can be calculated using the formula:
Charge = Current x Time
The current can be calculated using Ohm’s law:
Current = Voltage / Resistance
Substituting the given values:
Current = 3.00 V / 12.1 Ohms = 0.2479 A
Charge = 0.2479 A x 60 s = 14.87 C
Hope this helps, and have a great day! =)
which of the following are examples of heavy metals?
Answers
Heavy metals are metals that have relatively high densities, atomic weights, or atomic numbers. Some examples of heavy metals include lead, mercury, arsenic, cadmium, and chromium.
Lead: Lead is a naturally occurring element that has been used in various industries, such as manufacturing, construction, and transportation. Exposure to lead can be toxic, causing a wide range of health effects, including developmental delays, seizures, and kidney damage.
Mercury: Mercury is a naturally occurring element that is used in many industrial processes, including the production of batteries, fluorescent lights, and thermometers. Exposure to mercury can cause damage to the brain, kidneys, and lungs.
Arsenic: Arsenic is a naturally occurring element that is used in pesticides, wood preservatives, and other industrial applications. Exposure to arsenic can cause skin lesions, respiratory problems, and an increased risk of cancer.
Cadmium: Cadmium is a naturally occurring element that is used in batteries, pigments, and plastics. Exposure to cadmium can cause lung damage, kidney disease, and an increased risk of cancer.
Chromium: Chromium is a naturally occurring element that is used in metal alloys, stainless steel, and other industrial applications. Exposure to chromium can cause skin rashes, respiratory problems, and an increased risk of cancer.
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A 60.-kilogram physics student would weigh 1560
newtons on the surface of planet X. What is the
magnitude of the acceleration due to gravity on the
surface of planet X?
Answers
Answer:
26m/s²
Explanation:
Given parameters:
Mass of the student = 60kg
Weight = 1560N
Unknown:
Acceleration due to gravity = ?
Solution:
Weight is a force on a body due to gravity;
Weight = mass x gravity
Insert the given parameters and solve;
1560 = 60 x gravity
Gravity = \(\frac{1560}{60}\) = 26m/s²
In your lab group you combined salt and water. Then you compared what happens when an egg is placed in tap water versus salt water. You observed that the egg floated in the salt water, but sank on the fresh water. You and your lab partner discuss the cause of this difference and wonder if the combining of the salt and water caused a physical or chemical change. Choose ALL of the evidence that supports that a physical change has occurred.
A) gas was produced
B) the density changed
C) the salt dissolved in the water
D) the salt and the water cannot be separated into their individual molecules
E) the salt and the water can still be separated into their individual molecules
Answers
Answer: the density changed, the salt dissolved in the water, the salt and the water can still be separated into their individual molecules.
Explanation: physical changes are changes in size, shape, or state. Another way to think about a physical change is any change not involving a change in the substance’s chemical identity. You cannot write a chemical equation for salt water because the chemical identity is still salt AND water
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All moving objects don’t have momentum
A. True
B. False
Answers
Answer:
No
Explanation:
Some objects gain momentum.
Answer:
B. False
Hope you could understand.
If you have any query, feel free to ask.
One component of a magnetic field has a magnitude of 0. 0404 T and points along the x axis while the other component has a magnitude of 0. 0739 T and points along the y axis A particle carrying a charge of 2. 80 10 5 C is moving along the z axis at a speed of 4. 46 103 m s a Find the magnitude of the net magnetic force that acts on the particle b Determine the angle that the net force makes with respect to the x axis
Answers
a) The magnitude of the net magnetic force that acts on the particle is 2.18 x 10-6 N.
b) The angle that the net force makes with respect to the x axis is 63.8°.
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.Magnetic Field is the region around a magnetic material or a moving electric charge within which the force of magnetism acts. A pictorial representation of the magnetic field which describes how a magnetic force is distributed within and around a magnetic material.
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the microwave emission detected by arno penzias and robert wilson fits a blackbody spectrum with a temperature of about ____.
Answers
The microwave emission detected by Arno Penzias and Robert Wilson, known as the cosmic microwave background radiation (CMB), fits a blackbody spectrum with a temperature of about 2.725 Kelvin (K). The discovery of the CMB in 1965 provided strong evidence for the Big Bang theory and has since become a cornerstone of modern cosmology. Penzias and Wilson were using a sensitive microwave antenna known as the Holmdel Horn Antenna for communication purposes when they detected a constant, isotropic signal that persisted regardless of their antenna's orientation. After ruling out possible terrestrial and instrumental sources, they realized that they had stumbled upon the CMB, which permeates the entire observable universe.
The blackbody spectrum refers to the distribution of electromagnetic radiation emitted by an object at a particular temperature. The CMB follows a nearly perfect blackbody spectrum, known as the Planck spectrum, with a temperature of 2.725 K. This temperature represents the average temperature of the universe when the CMB was emitted, about 380,000 years after the Big Bang.
In summary, the microwave emission detected by Penzias and Wilson corresponds to the cosmic microwave background radiation, which exhibits a blackbody spectrum with a temperature of approximately 2.725 Kelvin.
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an archer shot a 0.06 kg arrow at a target. the arrow accelerated at 5,000 m/s^2 as it left the bow.
What is the force of the arrow?
Answers
Answer:
The force of the arrow was 300N.
Explanation: