What is the wall tension distributed over in a sphere?
Answers
In a sphere, the wall tension is distributed over the entire surface area of the sphere. This tension is caused by the pressure difference between the inside and outside of the sphere.
The wall tension in a sphere is a result of the hydrostatic pressure exerted on the walls of the sphere by the fluid contained within it. This pressure is distributed evenly over the entire surface area of the sphere. The amount of tension depends on the thickness of the wall and the material it is made of. As the pressure inside the sphere increases, so does the tension on the walls. If the tension becomes too great, the walls may rupture or deform. Therefore, it is important to carefully calculate the necessary wall thickness and material for spheres used in high-pressure applications.
The wall tension in a sphere is distributed uniformly across the surface. It is determined by the pressure inside the sphere and the radius of the sphere.
The formula for calculating the wall tension (T) in a sphere is given by T = P x r, where P represents the internal pressure and r is the radius of the sphere. Due to the spherical shape, the wall tension is evenly distributed over the entire surface, ensuring the sphere maintains its shape and structural integrity.
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Related Questions
Give reasons for the following,
a. Pascal is a derived unit.
b. Mass is a fundamental quantity,
c. Unit of power is a derived unit,
d. Unit of length is a fundamental unit.
Answers
Answer:
a) Pascal is a derived unit because it is derived from the unit of force and area
b)Mass is a fundamental quantity because it doesn't depends upon others physical quantity and made up of only one unit
c) unit of power is a derived unit because they are dependent quantities
D) unit of length is a fundamental unit because it cannot be expressed in terms of another quantity.
USE THE PICTURE THANKS WILL GIVE B WRONG ANSWER=report lol love ya
Answers
Answer:
I would have to say B THe su would rise in the west and set in the east But this is just a guess
you tie a cord to a pail of water, and you swing the pail in a vertical circle of radius 0.600 m. what minimum speed must you give the pail at the highest point of the circle if no water is to spill from it?
Answers
When you tie a cord to a pail of water and swing it in a vertical circle of radius 0.600 m, the minimum speed you should give the pail so that no water is to spill is calculated using conservation of energy which is 3.43 m/s.
Mechanical energy conservation can be expressed as follows:Ei = Ef where Ei is the initial energy of the system and Ef is the final energy of the system. We'll set the lowest point of the circle as the reference point. Then, for the initial and final positions, we obtain: Ei = KEi + PEi = KEf + PEf where KEi and KEf are the kinetic energies of the water at the initial and final positions, respectively, while PEi and PEf are the potential energies of the water at the initial and final positions, respectively, while PEi and PEf are the potential energies of the water at the initial and final positions, respectively.
When the water reaches the top of the circle, its velocity is zero because it reaches a maximum height at the top of the circle. As a result, we can neglect the final kinetic energy (KEf). Hence,Ei = KEi + PEi = PEfWe can solve for the initial velocity (v) using the law of conservation of energy. Initial gravitational potential energy is equal to initial kinetic energy. Therefore, mgh = 1/2 mv² where m is the mass of the water in the pail, g is the acceleration due to gravity, h is the height of the highest point of the circle, and v is the minimum velocity required to keep the water in the pail.
The minimum velocity at the highest point can be found by rearranging this equation: V = √2gh where, V = minimum velocity, h = 0.600 mg = 9.81 m/s². So, we get, V = √2gh = √(2 × 9.81 × 0.600) = 3.43 m/s. Therefore, the minimum velocity to prevent water from spilling from the pail is 3.43 m/s.
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1. Name something that is not matter. Why is it not matter? (3 points)
Answers
Answer:
Light is nor a matter because
It has no mass
It occupies no volume
We can't touch it.
Explanation:
Matter is any material that has mass and occupies volume.
Here are 25 things that don't:
Truth, Peace, Justice, Honesty, Beauty, Envy, Jealousy, Gluttony, Pride, Arrogance, Modesty, Humility, Bravery, Victory, Democracy, Sincerity, Secrecy, Pain, Pleasure, Mercy, Liberty, Equality, Fraternity, Freedom, and Virtue have no mass, and they don't occupy any space. So none of them contains any matter.
The figure shows an uncharged conducting cubic shell and a positive point charge Q outside the shell. There are two lettered points W and X inside the shell where the electric field can be measured. The electric field at points W and X are EW and EX, respectively. Point W is at the center of the cubic shell. Outside the shell are points Y and Z where the charge Q can be placed. All four points are along the same line. Which of the following statements is correct?
If the point charge is placed at point Y , EW>EX .
Answer A: If the point charge is placed at point Y , E sub W is greater than E sub X .
Answer B: If the point charge is placed at point Y , E sub W is less than E sub X .
Answer C: If the point charge is placed at point Z , E sub W is greater than E sub X .
Answer D: If the point charge is placed at point Z , E sub W is less than E sub X .
Answer E: If the point charge is placed at point Z , E sub W is equal to E sub X .
Answers
If the point charge is placed at point \(E_W\) is equal to \(E_X\).
Electric field inside a conducting cubic shellThe electric field inside a conducting cubic shell is zero. When a point charge is placed outside the shell, the electric field outside the shell is greater than the electric field inside the shell which is zero.
We can deduce the following;
Electric field inside the shell is zero, thus \(E_W = E_X =0\)Electric field outside the shell is greater than electric field inside the shellThus, the only correct statement is, If the point charge is placed at point \(E_W\) is equal to \(E_X\).
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Questlon 3 of 10
Each circled letter in the circuit diagram represents a meter that is used to
measure a quantity in the circuit. Which meters will measure current?
Answers
An electrical circuit is graphically represented by a circuit diagram, sometimes referred to as an electrical diagram or an electronic schematic.
Thus, A circuit is a channel that joins several electrical or electronic components using wires. A schematic of an electrical circuit's course and return can be found in electrical systems and components.
Simple and identifiable graphics, such as a broken line for a switch or a straight line for a wire, are shown on pictorial maps, which are frequently used by laypeople and electrical diagram.
Advanced experts frequently employ schematic maps, which show the more complex industrial symbols for terminals, amperes, and other electrical components and electrical diagram.
Thus, An electrical circuit is graphically represented by a circuit diagram, sometimes referred to as an electrical diagram or an electronic schematic.
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Suppose Alex is navigating using a compass. She starts walking at an angle of 60° north of east and walks a total of 100 m. How far north is she from the starting point? How far east?
Answers
Answer:
\(50\:\mathrm{m\: North}\\50\sqrt{3}\:\mathrm{m\: East}\)
Explanation:
We can create a 30-60-90 triangle. The distance she walked is then the hypotenuse of the triangle, and using 30-60-90 triangle rules, we have the following:
The North leg is opposite to the \(30^{\circ}\) angle. Therefore, if we call this distance \(y_N\), we have the following:
\(\sin 30^{\circ}=\frac{y_N}{100},\\\frac{1}{2}=\frac{y_N}{100},\\y_N=\fbox{$50\:\mathrm{m}$}\).
The East leg is opposite to the \(60^{\circ}\\\) angle. If we call this distance \(x_E\), we have:
\(\sin 60^{\circ}=\frac{x_E}{100},\\\frac{\sqrt{3}}{2}=\frac{x_E}{100},\\x_E=\fbox{$50\sqrt{3}\:\mathrm{m}$}\).
"the majority of working teens are employed by restaurants, grocery stores, and department stores." what is the subject in this sentence? majority teens employed stores
Answers
The appropriate subject in this sentence is "the majority of working teens."
Remember that a sentence's subject is typically a noun. The word or phrase that denotes an object, identifies a person or location, etc. is known as the subject.
The predicate of the sentence is "Employed by restaurants, grocery stores, and department stores."
The predicate, which can describe an action or a state of being, frequently follows the subject.
The verb acts as the "are" between the subject and predicate. It links or connects the sentence's subject with a word that renames or describes it, making it a linking verb.
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An electron moves in an electric field. Does it move toward regions of higher potential or lower potential? explain.
Answers
The electric fields is always directed from higher potential to the lower potential.
An electron moves in an electric field. Does it move toward regions of higher potential or lower potential?
The electric fields always aiming from the region of higher potential to the region of lower potential. So the force of electrostatic and the direction of the travel of electrons will be always from lower potential to the region of higher potential.
An electric field is defined as the physical field which covers the electrically charged particles and also they can apply force on all other charged particles.
So we can conclude that the electric fields is always directed from higher potential to the lower potential.
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A proton with charge 1.601019 As is moving at 2.4105 m/s through a magnetic field of 4.5 T. You want to find the force on the proton.
Answers
The force on the proton is 17.4 N.
What is the force on the proton?Now we know that the proton is positively charged and that the force on the charge as it moved through the magnetic field could be given by the relation; F = qvB
Where;
F = force
q = charge
v = velocity
B = magnetic field
Having said this, we can see that;
q = 1.601019 As or C
v = 2.4105 m/s
T = 4.5 T
F = 1.601019 As * 2.4105 m/s * 4.5 T
F = 17.4 N
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A 230 v mains powered electrical drill draws a current of 2.5 A calculate the power of the drill at use
Answers
An airplane travels for 2.5 hours at an average rate
of 130 miles per hour. Use the distance formula, d=rt, to find how
far the plane travels.
Answers
The plane travels a distance of 325 miles if the airplane travels for 2.5 hours at an average speed of 130 miles per hour. Using the distance formula (d = rt), we can calculate the distance.
To find the distance traveled by the airplane, we can use the distance formula, which is represented as d = rt. In this formula, "d" represents the distance, "r" represents the rate or speed at which the object is traveling, and "t" represents the time taken for the travel.
Given that the airplane travels for 2.5 hours at an average rate of 130 miles per hour, we can substitute these values into the formula. The rate of the airplane is 130 miles per hour, and the time taken is 2.5 hours.
Using the formula, we can calculate the distance traveled as follows:
d = rt
d = 130 mph × 2.5 hours
Multiplying the rate (130 mph) by the time (2.5 hours) gives us:
d = 325 miles
Therefore, the airplane travels a distance of 325 miles during the 2.5 hours of travel at an average rate of 130 miles per hour.
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Which of the following accounting principles prescribes that a company record its expenses incurred to generate the revenue reported?.
Answers
Answer:
Matching principle
Explanation:
Matching principle is an accounting principle for recording revenues and expenses. It requires that a business records expenses alongside revenues earned.
Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+ charge.
How are these two alike? same number of __________
How are they different? different number of ________
Group of answer choices:
A. protons, neutrons
B: protons, electron
C: electrons, neutrons
D: electrons, protons
Answers
Different number of electrons
2. True or false. As a wave travels through a given material its velocity changes.
Answers
Answer:
the answer is false
Explanation:
A wave travels at a constant velocity through a given material.
What is the origin of all stars?
supernova
dwarfs
protostars
nebulae
Answers
Answer:
Protostars
Explanation:
after the spring reaches its maximum compression, it pushes the block backwards. what is the maximum height reached by the block?
Answers
The utmost weight that a spring can support before it deforms and develops unpredictable mechanical properties is known as maximum load or deflection. The spring's free length is its length when it is not being loaded. The length of the spring at its greatest load, with each coil resting on the coil next to it, is known as the solid height.
How is spring load capacity determined?You may use the method above to determine the amount of spring rate required to travel down to a loaded height of 3 inches using the values from the first example (If a spring has a 5-inch length, the spring rate of and will travel 2 inches).
Spring Rate Formula is the formula.
Rate = Load Travel, where k= L T.
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To get the distance traveled, either divide the load by the spring rate or multiply the distance traveled by the spring rate.
How is spring load capacity determined?To get the distance traveled, either divide the load by the spring rate or multiply the distance traveled by the spring rate. Working loads can also be used to determine your necessary spring rate. A typical variable spring can support a maximum weight of 50,000 lbs. A typical constant spring can support a maximum weight of 90,000 lbs. For weights greater than those allowed by these standards, a large ton spring support can be used.
Spring Rate Formula is the formula.
Rate = Load Travel, where k= L T.
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How will adding additional nickel–paper towel–penny layers affect the voltage generated by the voltaic pile? Will the change in voltage be constant, or will voltage changes vary as the number of layers increases?
(urgent)
Answers
Adding additional nickel-paper towel-penny layers to a voltaic pile will increase the voltage generated by the pile.
What is voltage?The difference in electric potential between two points is known as voltage, also referred to as electric pressure, electric tension, or potential difference. It relates to the amount of work required to move a test charge between two points in a static electric field.
Simply put, voltage also known as electromotive forceis the amount of energy in one charge. Voltage, then, is the variation in electric potential between two points.
The change in voltage will not be constant, but rather will increase as the number of layers increases. This is due to the fact that each additional layer increases the total surface area of the electrodes and the number of electron transfer reactions that can occur, leading to a greater overall voltage generated by the pile.
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a tube of constant circular cross-section, sealed at on end, contains an ideal gas trapped by a cylinder of mercury of length 0.035m. The whole arrangement is in the Earth's atmosphere. The density of mercury is 1.36*10^4, more details provided in the images.
Answers
Answer:
P V = N R T ideal gas equation
V = .19 * A volume of enclosed gas
.19 P = N R T / A using volume of enclosed gas
P = Po + Phg pressure on gas = atmospheric (Po) + Phg pressure due to column of mercury
.19 (Po + Phg) = N R T / A which is what was asked
Note Phg = density of Hg * height of Hg * acceleration due to gravity
A tube of constant circular cross-section, sealed at on end, contains an ideal gas trapped by a cylinder of mercury of length 0.035m. There will atmospheric pressure and pressure due to mercury column on trapped gas column having length 0.19m which is given by,
(p₀+pm)×0.190 = nRT÷A.
What is Pressure?Pressure is defined as force per unit area. i.e. P = F/A it gives the force on unit area. its SI unit is Pascal (Pa) which is equal to N/m². is a scalar quantity. its dimensions are [M¹ L⁻¹ T⁻²].
Looking at the figure from top to bottom, we can see the top end of the tube is opened. There is 0.035m of mercury column below which we have a air 0.190m of gas column.
We can feel the physics behind this figure what is happening here, top of the tube is open so there is atmospheric pressure acting on the mercury column and mercury column is above the gas column, it means that both atmospheric pressure and mercury pressure will act on gas column.
i.e. (p₀+pm) = pressure on the air column
this (p₀+pm) is downward pressures, hence gas inside the tube gets compressed due to this pressure because bottom end is closed. it means that back pressure will be created inside the gas in upward direction and both pressures becomes equal at equilibrium.
i.e. (p₀+pm) = back pressure inside the gas column......1)
according to ideal gas equation, PV=nRT
pressure inside the air column is P = nRT÷V
where V is volume of gas that is A×0.190.
P = nRT÷(A×0.190).....( back pressure inside the gas column).
equation 1 becomes
(p₀+pm) = nRT÷(A×0.190).
Hence we get
(p₀+pm) ×0.190= nRT÷(A).
Hence proved.
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How did conflict between countries affect trade along the Silk Road?
Answers
Answer:
A: It decreased trade because soldiers no longer protected the oases.
I took it on E2020. I hope I've helped. If you need further explanation, please comment below.
Answer:
Yes it is A
It decreased trade because soldiers no longer protected the oases.
Explanation:
The 75 kg girl is standing on a platform 15 m above the top of the launcher.
Calculate the gravitational potential energy of the girl relative to the top of the launcher. Show your calculations and include units in
your answer.
The girl steps off the platform and lands on the launcher.
Answers
Answer:
11250
Explanation:
E=mgh=75*10*15=11250
Two students are investigating the effect of forces on the motion of an object. The two students each push on a box, as shown in the picture. Even though the students are pushing the box very hard, the box does not move.
Why is the box not moving?
Describe one way the students could make the box move. Explain why this would move the box.
Answers
Answer:
If there are two opposite and equal forces, then the object that has force exerted on it will not move. The students can make it move if they both push on one side.
The box is not moving because the students are pushing in equal force and opposite direction to each other and the net force on box becomes 0.
One way student can move it is if they push the box in same direction.
What is force?The push or pull of an object is force and the direction in which object moves is the direction of force.
What is net force?The net force is the sum of two forces in same direction and difference of two forces if the forces are opposing each other.
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describe a situation with high velocity but low acceleration
Answers
A steam turbine has an efficiency of 40.0%. A steam engine has an efficiency of
25.0%. Suppose both devices are provided with 1000 J of thermal energy. How much
more useful work will the steam turbine do? Show your work.
Answers
Answer:
150J (joules)
Explanation:
25% efficiency of 1000J = 250J
40% efficiency of 1000J= 400J
400-250=150
Which describes one event that causes an eclipse?
Earth’s rotation on its axis
shadows from clouds covering Earth
Earth’s shadow covering the moon
the gravity from the moon and Sun pulling in the same direction
Answers
Answer:
Earths shadow covering the moon would create a lunar eclipse.
Explanation:
because i just know
A lunar eclipse is occur when Earth’s shadow is covering the moon.
What is eclipse?An eclipse happens when one astronomical body like Earth or moon blocks light from or to another.
What is lunar eclipse?A lunar eclipse is caused by Earth blocking sunlight from reaching the moon and causing a shadow across the lunar surface.
What is solar eclipse?Sometimes when the Moon orbits Earth, the Moon moves between the Sun and Earth. When this happens, the Moon blocks the light of the Sun from reaching Earth. This causes an eclipse of the Sun, or a solar eclipse.
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How will the kinetic energy, elastic potential energy, and mechanical energy change as the mass oscillates up and down?
Answers
The total energy of the system will be the same at all points in the oscillation, but it will change forms as the mass oscillates up and down.
As a mass oscillates up and down, its kinetic energy and elastic potential energy will constantly change. Kinetic energy is the energy an object possesses due to its motion, while elastic potential energy is the energy stored in a system when a force is applied to it. When the mass is at the highest point in its oscillation, its kinetic energy will be at its minimum and its elastic potential energy will be at its maximum. At the lowest point, the kinetic energy will be at its maximum and the elastic potential energy will be at its minimum. In terms of mechanical energy, it will remain constant as long as there is no external force acting on the system.
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A piece of warm concrete is placed in a cold-water tank, and energy flows between the concrete and the water. Which way does the energy flow in this system?
Answers
Answer:
Heat flows from hot to cold objects. When a hot and a cold body are in thermal contact, they exchange heat energy until they reach thermal equilibrium, with the hot body cooling down and the cold body warming up. This is a natural phenomenon we experience all the time.
Explanation:
A cat walks at a leisurely pace of 2 m/s. It spots a mouse and starts to sprint, chasing the mouse down the street. It takes the cat 3 s to reach a top speed of 20 m/s. Calculate the cat's rate of acceleration during this time.
Answers
Answer:
\(a=6\ m/s^2\)
Explanation:
Initial speed of a cat, u = 2m/s
It takes the cat 3 s to reach a top speed of 20 m/s.
We need to find the cat's rate of acceleration during this time. Acceleration is equal to the rate of change of velocity. So,
\(a=\dfrac{v-u}{t}\\\\a=\dfrac{20-2}{3}\\\\a=6\ m/s^2\)
So, the acceleration of the cat is \(6\ m/s^2\).
what prevents air from flowing directly from high-pressure areas to low-pressure areas?
Answers
The phenomenon that prevents air from flowing directly from high-pressure areas to low-pressure areas is known as atmospheric pressure or air pressure.
Atmospheric pressure is the force exerted by the weight of the air above a particular location. Air naturally moves from areas of higher pressure to areas of lower pressure, seeking to equalize the pressure. However, several factors come into play that prevent air from flowing directly from high-pressure areas to low-pressure areas:Pressure gradient: The pressure difference between two locations creates a pressure gradient. Air tends to flow from areas of higher pressure to areas of lower pressure along this gradient. However, the rate of flow depends on the magnitude of the pressure difference.
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Q: Riri wants to bake a cake. She adds flour, sugar, egg, baking soda, and yeast into a bowl and mixed them together. After all the ingredients are mixed, she leaves the dough for 30 minutes and the dough starts to rise. Which changes Occurred in this process? Explain your reason.
Answers
Answer:
I don't know what you mean about which changes occurred in this process but if its why the dough starts rising then its caused by the carbon dioxide in baking soda and yeast which is a fungus
Answer:
When baking,flour is mixed with water,the other ingredients and yeast to form a paste called a dough.what happens is that the zymase enzyme from the yeast acts on the sugars to form carbon dioxide and alcohol.the carbon dioxide begins to form bubbles in the dough causing it to rise..
I hope this helps