which of the following primary pressure areas are produced by thermal factors, rather than dynamic factors? which of the following primary pressure areas are produced by thermal factors, rather than dynamic factors? azores high and icelandic low aleutian low and icelandic low subtropical high and subpolar low equatorial low and polar high equatorial low and bermuda high
Answers
The equatorial low and polar high are primary pressure areas that are produced by thermal factors, rather than dynamic factors.
Related Questions
If 12.5 CC of charge is transferred from the cloud to the ground in a lightning strike, what fraction of the stored energy is dissipated
Answers
1.56% of the stored energy in the cloud is dissipated during the lightning strike.
To calculate the fraction of the stored energy dissipated during a lightning strike, we need to assume a value for the initial charge stored in the cloud (Q0). Let's assume that the initial charge in the cloud is Q0 = 100 CC.
The energy stored in the cloud can be calculated using the formula:
E = (1/2) * C * V^2,
where C is the capacitance of the cloud and V is the voltage across the cloud. Since we don't have specific values for C and V, we'll focus on the fraction of energy dissipated.
The fraction of the stored charge transferred during the lightning strike is given as:
Fraction = \(Q / Q0\),
where Q is the charge transferred, which is 12.5 CC in this case.
Fraction = 12.5 CC / 100 CC,
Fraction = 0.125.
This means that 12.5% of the initial charge stored in the cloud is transferred during the lightning strike.
Since energy is directly proportional to the square of the charge (\(E ∝ Q^2\)), the fraction of the stored energy dissipated is:
Fraction of energy dissipated = (Fraction)^2,
Fraction of energy dissipated = (0.125)^2,
Fraction of energy dissipated = 0.0156.
Therefore, approximately 1.56% of the stored energy in the cloud is dissipated.
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Explain the mechanism that is responsible for the formation of snowflakes.
Answers
The mechanism that is responsible for the formation of snowflakes is the nucleation of ice crystals.
What is a Snowflake?This is defined as a piece of snow which falls from the sky as a result of an extremely cold climate condition and is common in the arctic regions of the world.
Snow flakes are formed when ice crystals stick together to form the flakes which usually has a dust or pollen being formed around the area being talked about.
This is also regarded as a type of precipitation such as rain etc and is therefore the most appropriate choice.
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What is the difference between regular electricity and static electricity
Answers
A grandfather clock keeps time using a pendulum. Which will be true of the clock if the pendulum is shortened? Question 10 options:
It will run slow.
It will run fast.
It will keep the same time.
It will depend on the bob’s mass.
Answers
Answer: The period of the pendulum is shorter if the pendulum itself is shortened.
Explanation: i did "It will depend on the bob’s mass". and got it wrong so it's not that one haha
a ship leaves a harbor and sails at 27.5∘ to the south of due east. after traveling 365 km, how far east is the ship from the harbor?
Answers
The ship is located 200.51 km east from the harbor.
The given angle of travel of the ship is 27.5° to the south of due east. To solve this question, we can use trigonometry, and more specifically, we can use the sin function because we know the opposite and hypotenuse side of the angle of travel of the ship. To get started, we need to break down the angle of travel as well as the displacement of the ship along the eastern axis. We know that the ship sailed at 27.5° to the south of due east and traveled a distance of 365 km. From this information, we can find the opposite and hypotenuse side of the triangle formed by the ship's angle of travel and displacement eastward. Let x be the displacement of the ship along the eastern axis.
Then, east displacement of ship = x
We know that the angle of travel of the ship = 27.5° south of due east. This implies that angle of travel of the ship from the eastern axis is 90° - 27.5° = 62.5°.
We know that opposite side of the ship's angle of travel is the southward displacement of the ship = 365 km.
This implies that the hypotenuse of the ship's angle of travel is given as: hypotenuse = 365 / sin(62.5°) = 398.89 km
Therefore, the displacement of the ship along the eastern axis = east displacement of the ship = hypotenuse × cos(62.5°)
Substituting hypotenuse = 398.89 km and angle of travel of ship from eastern axis = 62.5°, we get:
east displacement of ship = 398.89 × cos(62.5°) = 200.51 km
Therefore, the ship is located 200.51 km east from the harbor.
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3. Barrett was working in his shop on a truck. Suddenly something exploded and sent his wrench flying across
the shop at 25m/s and it took the wrench 5 seconds to get from one side of the garage to the other. What wa
the distance Barrett's wrench traveled during the explosion?
Answers
Answer:
125 meters
Explanation:
we know that
v × t = d
v = 25
t = 5
so the distance should be 5 × 25
answer is 125 meters
Based on its location on the periodic table, which element is the best
electrical insulator?
A. Iron (Fe)
O B. Sulfur (S)
O C. Calcium (Ca)
D. Silver (Ag)
Answers
Answer:
B
Explanation:
Nonmetal is better insulator than metals
Answer:
B
Explanation:
Just took the quiz.
A planet orbits a star in the path shown in the figure. The planet's mass is much smaller than the star's mass. Which two of the following claims are correct about the accelerations associated with the planet, star, and planet-star system? Select two answers. Justify your selections. A .Both the planet and the star accelerate, because each object exerts a force on the other object. B. Only the planet accelerates, because a force is exerted on the planet but not on the star. C. The center of mass of the planet-star system accelerates, because the planet and star exert forces on each other. D. The center of mass of the planet-star system does not accelerate, because there is no net force exerted on the system.
Answers
The correct claims about the accelerations associated with the planet, star, and planet-star system are
A. Both the planet and the star accelerate because each object exerts a force on the other object.
D. The center of mass of the planet-star system does not accelerate, because there is no net force exerted on the system.
Thus, the correct answers are A and D.
What is the planetary system?А plаnetаry system is а set of grаvitаtionаlly bound non-stellаr objects in orbit аround а stаr or stаr system. Generаlly speаking, plаnetаry systems describe systems with one or more plаnets, аlthough such systems mаy аlso consist of bodies such аs dwаrf plаnets, аsteroids, nаturаl sаtellites, meteoroids, comets аnd plаnetesimаls аs well аs discernаble feаtures including circumstellаr disks. The Sun together with its plаnetаry system, which includes Eаrth, is known аs the Solаr System.
Grаvity is а force thаt objects exert on eаch other becаuse of their respective mаsses. Аn object dropped neаr Eаrth’s surfаce fаlls to the ground becаuse it is pulled down by the force of grаvity thаt Eаrth exerts on the object. The sаme grаvitаtionаl pull exists between Eаrth аnd the Moon, between the Moon аnd the Sun, аnd between the Sun аnd eаch object in the universe. Even pаrticles of dust аnd gаs in spаce аre аttrаcted to eаch other; in fаct, thаt аttrаction is whаt helped form the solаr system.
Your question is incomplete but most probably your full question can see in the attachment.
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The potential energy of a 45 kg cannon ball is 15000 J. How high was
the cannon ball to have this much potential energy?
Answers
Answer:
33.3
Explanation:
Potential energy =
mass × gravitational field strength × height
rearranged =
\( \frac{potential \ energy}{mass \: \times gravity} = height\)
\( \frac{15000}{45 \times 10} \)
(The earths gravitational field strength will always be 10)
=33.33333 recurring to 1dp its 33.3
What is the safest method to determine electrical current
Answers
a catapult has two rubber arms, each with a square cross-section with a width 4 mm and length 300 mm. in use, its arms are stretched to three times their original length before release. assume the modulus of rubber is 103 gpa and that it does not change when the rubber is stretched. how much energy is stored in the catapult just before release?
Answers
The strain energy held in the rubber arms is the energy retained in the catapult immediately before release. Hooke's law can be used to determine the area under the stress-strain curve, which corresponds to the strain energy.
How to calculate Energy?Calculations are mathematical problems or computations that rely on numerical data to get a result. They can be used to answer problems in a variety of disciplines, including engineering, economics, science, and finance. They can range from basic arithmetic to complicated calculus. Both manually performing calculations and using computers are options.
The following equation can be used to determine the strain energy in the catapult's arms:
Strain Energy = (Area of Cross Section) x (Modulus of Elasticity) x (Strain)
Where:
Cross Sectional Area = 4 mm x 300 mm = 1200 mm2
Modulus of Elasticity = 103 GPa
Strain = 3
As a result, the catapult's just-before-released strain energy is:
Strain Energy = 1200 mm2 x 103 GPa x 3 = 3,600,000 J
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The diagram below shows a light ray striking a plane mirror surface at an angle of 40° to the normal.
Which of the following diagrams shows the ray that is reflected from the plane mirror surface?
Answers
Answer:
we need to see all of the options
Explanation:
If a toy train has a mass of 1.5 KG and accelerates at a rate of 20 M/S 2 calculate force acting on it?
Answers
Answer:
F = 30 N
Explanation:
Given that,
Mass of a toy train, m = 1.5 kg
The acceleration of the toy-train, a = 20 m/s²
We need to find the force acting on it. We know that, net force acting on an object is given by :
F = ma
Substitute all the values,
F = 1.5 × 20
F = 30 N
Hence, the net force acting on the toy train is equal to 30 N.
What is meant by block and tackle?
Answers
A block and tackle is a system of pulleys and ropes or cables that allows for the lifting or moving of heavy loads with a relatively small amount of force. It is a simple and effective way to increase the mechanical advantage of a lifting or pulling operation.
A block and tackle consists of one or more pulleys, or blocks, that are mounted on a frame or rigging, and one or more ropes or cables that run through the pulleys. The ropes or cables are used to lift or pull the load, and the pulleys are used to change the direction of the force and to increase the mechanical advantage.
For example, if a block and tackle system has two pulleys, it is called a 2:1 block and tackle. In this case, for every one unit of force applied to the rope, the load is lifted or moved two units. If the system has three pulleys, it is called a 3:1 block and tackle, and so on.
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A ball with a momentum of 16 kg.M/s strikes a ball at rest. What is the total momentum of both the balls after the collision.
Answers
Answer:
Total momentum = 16 Kgm/s
Explanation:
Let the momentum of the two balls be A and B respectively.
Momentum A = 16 kgm/s
Momentum B = 0 kgm/s (since the ball is at rest).
Total momentum = A + B
Total momentum = 16 + 0
Total momentum = 16 Kgm/s
Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.
Mathematically, momentum is given by the formula;
\( Momentum = mass * velocity \)
Total momentum of both the balls after the collision is 16 Kg.m/s
Given:
Momentum= 16 kg.m/s
To find:
Total momentum of both the balls after the collision.
What is momentum?
Momentum can be defined as the product of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity since it has both magnitude and direction.It is given as: \(\text{P}=\text{m*v}\) where m= mass and v=velocity of an object.Consider the momentum of the two balls be A and B respectively.
Momentum A = 16 kg.m/s
Momentum B = 0 kg.m/s (since the ball is at rest).
Total momentum = A + B
⇒ 16 + 0
Total momentum= 16 kg.m/s
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which of the following correctly describes the hierarchy of genetic material within a cell
Answers
Answer: D- Each chromosome in a cell is made up of two chromatids, which are each made up of molecules of DNA
Explanation:
A macromolecule is a large molecule that is made of many smaller units. Chromosomes are macromolecules that contain all of the genetic information in a cell. Chromosomes are each made of two smaller units called chromatids. Chromatids are each made up of molecules of DNA. Therefore, the correct description of the hierarchy of genetic material in a cell is that each chromosome in a cell is made up of two chromatids, which are each made up of molecules of DNA. The structures become more and more microscopic as one moves down the hierarchy.
A firefighter directs a stream of water from a fire hose at an angle of 40.0° above the horizontal. If the velocity of the stream is 39.0 m/s, what is
the furthest he can stand from the building and still hit it with water? t = Vy/g and x = Vx*2t
Answers
Firefighter can hit with water while standing at distance of 153 m from building.
What is a projectile motion?The projectile travels the path with a parabolic trajectory due to the effect of gravity. No horizontal forces so there is no horizontal acceleration.
The velocity of a projectile has horizontal component and the vertical component.
The vertical component of the velocity, \(\displaystyle V_y = Vsin\theta\)
The horizontal component of the velocity, \(\displaystyle V_x = Vcos\theta\)
Given the angle θ with the X- axis = 40°
The velocity of the stream V = 39 m/s
The Y component of the velocity, Vy = 39× sin 40°
Vy = 25.1 m/s
The X component of the velocity, Vx = 39× cos 40°
Vx = 29.88 m/s
The time , t = Vy/g = 25.2/9.8 = 2.56 sec
The distance from the building, \(x = V_x\times 2t\)
x = 29.88 ×2×2.56
x = 153 m
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an automobile accelerates from 55.0 km/h to 85.0 km/h in 8.70 s. what is its acceleration in m/s2? recall 1 km
Answers
The acceleration can be found as 3.44× 10³ m/s².
To find the acceleration, the given values are,
Initial velocity = 55 km/hr
Final velocity = 85 km/hr
time t = 8.70 seconds.
What is acceleration?Acceleration is a rate of change of velocity with respect to time with respect to direction and speed.A point or an object moving in a straight line is accelerated if it speeds up or slows down.Acceleration formula can be written as,a = (v - u ) / t m/s²
where, a - acceleration m/s²
v - Initial velocity km/hr
u - final velocity km/hr
t - time
Acceleration is a vector quantity.Substituting the values in the acceleration formula,
a = ( 85 × 10³ - 55 ×10³ ) / 8.70
= 30 × 10³/ 8.70
= 3.44 × 10³ m/s².
The acceleration of the automobile can be found as 3.44 × 10³ m/s².
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Consider two carts moving on a track. The first cart has a mass of m, and the second cart has a mass of 3m. The first mass is moving at a velocity v towards the second, which is stationary.
Answers
The first mass is moving at a velocity v towards the second, \(\frac{3}{2} mv\) is stationary.
impulse imported to cart 1 = change in momentum
=|ΔP| = \(p_{f}\) - \(p_{i}\)
=m(\(\frac{-v}{2}\)) - (mv)
=\(\frac{-3}{2} mv\)
Magnitude of impulse = \(\frac{3}{2} mv\)
Velocity is the direction at which an object is moving and serves as a measure of the rate at which its position is changing as seen from a specific point of view and as measured by a specific unit of time (for example, 60 km/h northbound). In kinematics, the area of classical mechanics that deals with the motion of bodies, velocity is a fundamental idea.
A physical vector quantity called velocity must have both a magnitude and a direction in order to be defined. Speed is the scalar absolute value (magnitude) of velocity; it is a coherent derived unit whose quantity is measured in metres per second (m/s or m/s1) in the SI (metric system). In contrast to "5 meters per second east," which is a vector, "5 meters per second," for instance, is a scalar.
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alcohol,monosodium glutamate (vetsin), water, fruit extract,sugar, coffe powder, salt, cow's milk, cocoa powder, liquid detergent. solute or both or solvent
Answers
Answer: solute: sugar, coffee powder, salt, cocoa powder, liquid detergent, monosodium glutamate (vetsin).
solvent: cow's milk, water, fruit extract
Explanation:
A solution is a mixture that is made up of two or more substances including solute and solvent.
The solute is one which can be dissolved in a liquid part that is solvent. The solute can be liquid or solid. Solutes are sugar, salt, coffee powder, cocoa powder, liquid detergent, monosodium glutamate.
The solvent is one which dissolves in it solute particles or molecules. Solvent are cow's milk, water, and fruit extract.
can alligators drink Gatorade
Answers
Answer:
Probably not my guy
Explanation:
Energy does / does not change the phase of matter.
Answers
Answer:
does
Explanation:
A car starts from rest and accelerates to 14 m/s in 2 seconds. What was its acceleration
Answers
Answer:
7m/s^2
Explanation:
using v=u+at
since the car started from rest, u=0 , v=14m/s t=2s
a =acceleration.
14=0+a×2
14=0+2a
14=2a
a= 14/2 =7
a=7m/s^2
the chemists' blank is another name for the periodic table
Answers
The chemist's guide or encyclopedia is another name for the periodic table.
What is periodic table?
Periodic table is a tabular arrangement of elements in the form of a table. In the periodic table, elements are arranged according to the modern periodic law which states that the properties of elements are a periodic function of their atomic numbers.
It is called as periodic because properties repeat after regular intervals of atomic numbers . It is a tabular arrangement consisting of seven horizontal rows called periods and eighteen vertical columns called groups.
Elements present in the same group have same number of valence electrons and hence have similar properties while elements present in the same period show gradual variation in properties due to addition of one electron for each successive element in a period.
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Eli and Andy want to find out which of the two is stronger. Eli pushes a table with a force of 120 newtons while Andy pushes the table from the opposite side with a force of 125 newtons. Ignoring the masses of Eli and Andy, what is the resultant acceleration of the table if its mass is 10.0 kilograms?
Answers
Answer:
a = 0.5 m/s²
Explanation:
the type of problem is called a Newtons second law of motion.
and the equation would be the sum of F = m * a where m = mass and a = acceleration
forces are 125N and the opposite direction is 120N
Eli pushes the table with a force of 120N towards Andy
and
Andy pushes the table with a force of 125N towards Eli
mass of table given as 10 kg.
using the equation
120N - 125N = 10kg * a
a = (120-125) / 10
a = -0.5 m/s² so the acceleration is in the direction of Andy's force towards Eli.
therefore a = 0.5 m/s²
Answer:
B.
0.50 meters/second2
Explanation:
find the relative density of copper block of mass 216 gram having volume of 80 cm cube ( cm3) . Density of water is 1g/ cm3.
Answers
Do you agree or disagree? Based on your readings and your lecture notes, please discuss the economic, social, and political impact of the California Gold Rush. What do YOU think was the most important consequence of the gold rush?
one coulomb is defined as the amount of charge that passes a point in a wire in 1 second when a current of 1 ampere is flowing through the wire group of answer choices true false
Answers
True, One coulomb is defined as the amount of charge that passes a point in a wire in 1 second when a current of 1 ampere is flowing through the wire.
An electric current is a circulation of charged particles, including electrons or ions, shifting through an electrical conductor or space. Its miles are measured because of the net fee of drift of electric fee through a floor or into a managed extent.
The current is one of the most important and essential elements within electric and electronic technology. The contemporary flowing in a circuit may be utilized in an expansion of ways from generating warmness to inflicting circuits to replace, or information to be saved in an included circuit.
Current is decided by the number of electrons passing through a cross-section of a conductor.
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The mass of an object is measured on Earth. The mass is 5.0kg.The object is taken to the Moon. The mass of the object is measured on the Moon. What is the mass of the object on the Moon?
Answers
Answer:
Mass on the moon: 5 Kg
Explanation:
Mass will stay the same. Mass of an object does not depend on gravitational force as it is the quantity on matter possessed by a body.
The transducer needs crystals that can transform electrical energy into sound, etc. the effect exhibited by these crystals is?
Answers
The effect exhibited by crystals in a transducer is called the piezoelectric effect. The piezoelectric effect refers to the ability of certain crystals, such as quartz or tourmaline, to convert electrical energy into mechanical vibrations, including sound waves.
When an electric field is applied to these crystals, their shape changes, causing them to vibrate and produce sound waves. This is why crystals are commonly used in transducers for converting electrical energy into sound waves.
The piezoelectric effect is crucial in various applications, such as microphones, speakers, ultrasound machines, and even musical instruments like electric guitars. In a microphone, for example, the crystal inside the transducer converts sound waves into electrical signals through the reverse piezoelectric effect.
The effect exhibited by crystals in a transducer is the piezoelectric effect, which enables the transformation of electrical energy into sound waves.
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A tennis ball is dropped off of some stadium bleachers. If the ball was in free fall for 3
seconds, how high were the bleachers( how far did the tennis ball fall)? For acceleration
due to gravity on Earth use 10 m/s².
Answers
The height of the bleachers when a tennis ball dropped from the top and takes 3 seconds in flight is 45 m.
What is height?
Height can be defined as the vertical distance between two points.
To calculate the height of the bleachers, we use the formula below.
Formula:
H = ut+gt²/2............ Equation 1Where:
H = Height of the bleachersu = Initial velocity of the tennis ballt = Timeg = Acceleration due to gravityFrom the question,
Given:
u = 0 m/st = 3 secondsg = 10 m/s²Substitute these values into equation 1
H = (0×3)+(10×3²)/2H = 45 m.Hence, the height of the bleachers is 45 m.
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