What is the unit of momentum Mcq?.

Answers

Answer 1

kg ms-1 is the Si derived unit for momentum. The external force net is equal to the shift in momentum of a, according to Newton's second motion law in terms of momentum.

What is the momentum unit?

Momentum is a vector number since it has both direction and magnitude. Newton seconds, abbreviated N s, or kg m s 1 are the units of momentum. To differentiate it from rotational momentum, this is frequently referred to it as linear momentum.

A Newton? The momentum unit in the SI?

Therefor, the Newton-second can also be used as the SI unit by momentum in physics (Ns). In the CGS system, an object's mass is calculated in grams, and its velocity is calculated in centimeters per second. Consequently, the momentum unit.

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Related Questions

What factors increase momentum?.

Answers

An object's momentum can be increased by increasing its mass or velocity. As can be seen, momentum is directly proportional to an object's mass and velocity. So either of the two can be increased to gain momentum.

What is momentum?

The quantity of motion of the body is defined as momentum. It is measured by "mass velocity," because momentum depends on velocity, and it also depends on the direction of the body's motion. Because velocity is a vector and mass is a scalar variable, momentum is a vector quantity. Momentum is defined as mass multiplied by velocity. Because all objects have mass, when they move, they have momentum - their mass is in motion. Momentum is a body's "power" when moving, showing how much force it can apply on another body. For example, a bowling ball (big mass) travelling slowly (low velocity) can have the same momentum as a baseball (small mass) thrown swiftly (high velocity).

Here,

The momentum of an object can be increased by increasing its mass or velocity. As can be seen, momentum is proportional to mass and velocity of an object. To gain momentum, either of the two can be increased.

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What is the resultant velocity vector when you add your swimming velocity and the current velocity?.

Answers

The sum of an object's individual vector velocities is its final velocity. The scalar product of an object's mass and its acceleration vector is equal to the sum of its vector forces.

How is the resulting vector determined?

Formula 2: To get the resultant vector, subtract vectors moving in opposite directions from one another. R is the resulting vector because the vector B moves in the opposite direction of the vector A in this case.

How are two velocity vectors added?

As a result, we can directly use the equations v tot = v x 2 + v y 2 and v tot = v x 2 + v y 2 to perform the addition of the two velocities.

What is the formula for velocity vector?

Definition: Velocity. The velocity vector is the derivative of the position vector if r(t) is a differentiable vector-valued function that represents the particle's position vector at time t. v(t)=r′(t)=x′(t)ˆi+y′(t)ˆj+z′(t)ˆk.

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A scientist studying the Milky Way galaxy notices a bright light in the sky. What information would she need to prove that the object is a comet and not a star?


Does the object move?

Is there gas in the object?

How big is the object?

Are there other objects orbiting it?

(2 points)


II only


III only


I and II


I and III

Answers

A scientist studying the milky way galaxy notices a bright light in the sky, I and II provides information would she need to prove that the object is a comet and not a star.

Which region of the Milky Way can we see?

Since we are viewing the galaxy edge on and from within, we perceive the galactic disk as a band that surrounds the entire sky. Depending on the time of year and where you are on Earth, you can see different portions of the disk, but you can always see some of it.

Ice, dust, and tiny rocks or particles are the main components of comets. They are included in the solar system because they orbit the sun.

They become heated by solar radiation as they approach the sun and begin to release gases that were initially condensed. The comet's tail glows brightly as a result of the gas release.

They produce a bright coma that can be several times the diameter of Earth when they have warmed up.

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What is Newton's 4th law called?.

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The law of gravitation is allegedly called the Newton's 4th law. This law gave the world a breakthrough in understanding the universe in a better way.

Newton's law of gravitation states that every object attracts every other object in the universe with a force, called gravitational force. This force is directly proportional to the product of the masses of both the object and inversely proportional to the square of the distance between them. Mathematically it is described as:

F = GmM/R²

Where, F is the gravitational force, G is the universal gravitational constant, M & m are the masses of the objects and R is the distance between the objects.

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A motor boat traveling 5 m/s, East encounters a current traveling 2.5 m/s, North.

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No one rated this answer yet — why not be the first?

BobbieRan

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1.5K answers

26.1K people helped

Answer

The relative velocity of the motor boat =5.59 m/s in 26.5° East south direction.

Time for the boat to travel shore-shore  = 16. sec

The distance traveled downstream is 40 m.

The Scenario Depicts about the Calculations of Relative Velocity

What is Relative Velocity?

When two objects A and B are thought of as moving at velocities Va and Vb relative to a shared fixed frame of reference, such as the ground, a bridge, or a fixed platform

The velocity of an object in relation to another observer is known as its relative velocity. It is the pace at which one object's relative location changes in relation to another object over time

V → = V A B → + V B C → Where. VAB is the velocity with respect to A and B, VBC is the velocity with respect to B and C and VAC is the velocity with respect to A and C.

Given,

A motorboat traveling 5 m/s, East.

encounters a current traveling 2.5 m/s, South.

the resultant velocity of the motor boat =  =5.59 m/s in 26.5° East south direction

time does it take the boat to travel shore to shore = 80/ 5

= 16. sec.

The distance traveled downstream is d = v • t = (2.5 m/s) • (16 s) = 40 m.

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To lift a transformer straight up from the floor to a truck bed located 1.30 m above the floor requires 180 J of work. What is the weight of the transformer?

Answers

The weight of the transformer is 138.46 N.

How to calculate weight?

Weight can be calculated by dividing workdone by height

To calculate the weight of the transformer, we use the formula below.

Formula:

W = E/h................... Equation 1

Where:

W = Weight of the transformerE = Work done to lift the transformer from the floor = 180 Jh = Height at which the transformer was lifted = 1.3 m

Substitute these values into equation 1

W = 180/1.3W = 138.46 N

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What is magnitude of a vector minus B vector?.

Answers

The magnitude of a vector minus another vector B is not defined, as vectors have both magnitude and direction and cannot be subtracted from one another.

Vector Subtraction Magnitude

The magnitude of a vector minus another vector B is not defined, as vectors have both magnitude and direction and cannot be subtracted from one another. If you would like to find the difference between two vectors, you can subtract their components (x,y,z) individually.

Also you can find the distance between them by doing vector subtraction and then finding the magnitude of the resultant vector.

To describe the difference between two vectors A and B, you can subtract their individual components. For example, if vector A has components (x1, y1, z1) and vector B has components (x2, y2, z2), the difference between the two vectors would be described by the following:

(x1 - x2, y1 - y2, z1 - z2)

This resulting vector is often referred as A-B.

Alternatively, you can also find the distance between two vectors A and B by taking the Euclidean distance between their tail points, which is the square root of the sum of the squares of the differences of the x, y, and z components. This is known as the magnitude of the vector A-B.

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Identify whether or not the following are systems of power and meaning that anthropologists study through intensive fieldwork and the observation of people 's everyday lives . a. Anthropologist Study i. Religious ii . Racial and ethnic iii. Gender and sexuality iv. Socioeconomic and political b. Anthropologist Do Not Study

Answers

iv. Socioeconomic and political  whether or not the following are systems of power and meaning that anthropologists study through intensive fieldwork and the observation of people 's everyday lives

Why does ethnography have application in daily life?

A subculture or group that has a common culture is the subject of ethnographic study, with the goal of creating detailed and comprehensive descriptions of the community. When doing an ethnographic study, the researcher will watch the group, describe, and then analyse the ingrained patterns.

The fundamental benefit of ethnography is that it allows the researcher to see a group's customs and culture up close. It is an effective strategy for learning firsthand about the behaviours and interactions of individuals in a certain setting.

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Self-ignition would occur in the engine uing certain brand of petrol if the temperature due to
compreion reached 350°C. Calculate the highet ratio of compreion that may be ued to avoid pre-ignition if the law of
compreion i

Answers

Self-ignition, also known as pre-ignition, occurs in an internal combustion engine when the fuel-air mixture in the combustion chamber ignites before the spark plug fires.

One way to avoid pre-ignition is to limit the compression ratio of the engine, as a higher compression ratio can lead to higher temperatures in the combustion chamber.

The ideal gas law states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.

The compression ratio of an engine is the ratio of the volume of the combustion chamber when the piston is at the bottom of its stroke (the "swept volume") to the volume of the combustion chamber when the piston is at the top of its stroke (the "clearance volume").

Given that the temperature at which self-ignition would occur using a certain brand of petrol is 350°C, and assuming that the ideal gas law applies, we can calculate the highest compression ratio that may be used to avoid pre-ignition.

To do this, we need to know the initial temperature and pressure in the combustion chamber, as well as the final temperature and pressure after compression. We can then use the ideal gas law to calculate the compression ratio.

In conclusion, based on the information provided, it is possible to calculate the highest compression ratio that may be used to avoid pre-ignition in an engine using the ideal gas law. However, more specific information such as the initial temperature and pressure and the specific brand of petrol is needed for a more accurate calculation.

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What is the weight of 50 kg object on Earth with 9. 8 m s2 gravitational field strength?.

Answers

The weight of the object of mass 50 kg on Earth is 490 N.

The amount of substance contained in a thing is defined as its mass. The kilogram is its SI unit (kg). The amount of force with which an object is attracted by the earth is defined as its weight. The SI unit of weight is Newton(N).

We have:

Mass of object (m)

m = 10 kg.

Gravitational acceleration on earth (g)  = 9.8m/s²

Weight(W)= mg  N

⇒ W = 50 kg × 9.8 m/s²

⇒ W = 490 N

Therefore, the weight of the object of mass 50 kg on earth is 490 N.

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Which describes what an outside observer at rest would observe about a spaceship that speeds up and approaches the speed of light?.

Answers

An outside observer at rest would observe the spaceship decreasing in length and its clock ticking slower, as the spaceship approaches the speed of light.

What is spaceship?

A spaceship is a craft designed for interplanetary or interstellar travel. Spaceships are typically propelled by some form of energy, such as chemical propulsion, nuclear propulsion, or even solar sails. These craft usually have the capability to travel far and fast, allowing them to explore and even colonize distant planets and star systems. Most modern spaceships are heavily computerized, with computers controlling all aspects of the craft, from navigation to propulsion. They are also equipped with life support systems that can sustain long-term space travel, such as air and water recycling systems, airlocks, and temperature control. Some of the most advanced spaceships are equipped with artificial intelligence, allowing them to navigate autonomously and even make decisions on their own.

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A hot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magni- tude g/4. After time interval At, a crew member releases a ballast sandbag from the basket attached to the balloon. How many seconds does it take the sandbag to reach the ground?

Answers

The time it takes for the sandbag to reach the ground would depend on the height from which it was released.

To find out how long it takes for the sandbag to reach the ground, we can use the equation of motion for a vertically falling object under the influence of gravity:

s = v0*t + (1/2)gt^2

where s is the distance fallen, v0 is the initial velocity (which is 0 m/s for the sandbag), t is the time elapsed, and g is the acceleration due to gravity (approximately 9.8 m/s^2).

We know that the sandbag is being released from the balloon and has an upward acceleration of g/4. So, the equation of motion becomes

s = v0t + (1/2)(g - g/4)*t^2

We also know that s is the distance fallen to the ground, which we can take as the final distance.

Now solving the equation for t

t = sqrt(2*s/(g-g/4))

It is given that the magnitude of the upward acceleration is g/4, so (g-g/4) = 3g/4, so the final equation becomes

t = sqrt(2*s/(3g/4))

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7. From the choices below, select ALL that are results of radioactive decay.
-the nuclear ejection of electrons
-nuclear fission
-radiation emission
-the nuclear capture of electrons
-nuclear fusion

Answers

the nuclear capture of electrons

Why will an object in motion continue at a contant peed and in a contant direction

Answers

An object in motion continues to move at a constant speed and in a constant direction because there is no outside force acting upon it to change its speed and direction.

According to the first law of Newton, an object remains at rest or moves at a constant speed in a constant direction unless it is acted on by an unbalanced force or outside force.

Newton's first law of motion signifies that an object in motion is continued to be moving at a constant speed and in a constant direction.; only an outside force can change the speed and direction of the object. According to this law, if an object is at rest, it remains at rest, unless an outside force is applied on it.

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What is the power of a hairdryer with a current of 4a and a resistance of 60 ohms? include units in your answer.

Answers

The power of a hairdryer with a current of 4A and a resistance of 60Ω is 240W (watts).

What is resistance?

Resistance is the opposition to the flow of electric current or the process of slowing down the flow of electric current. It occurs when electrons collide with atoms in a conductor, such as a wire. Resistance is measured in ohms and is determined by a material's electrical properties, like its cross-sectional area, length and type. Resistance can be used to control the amount of current in a circuit. It can also be used to convert electrical energy into thermal energy.

This is calculated by multiplying the current (4A) by the voltage (V = I x R, so V = 4A x 60Ω = 240V) and then multiplying the voltage by the current (240V x 4A = 240W). The power of a hairdryer is measured in watts and is the rate at which energy is used by the appliance. The higher the wattage, the more powerful the hairdryer will be.

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What is the magnitude of the vector 12i 8j 24k *?.

Answers

The 12i, 8j, and 24k vector's magnitude is 28.

A vector's length is considered to be its magnitude. The vector's absolute value or its modulus are other names for it. Using the Pythagorean theorem, we can determine a vector's magnitude.

A vector's magnitude, represented by the symbol |v|, is used to determine a vector's length. The distance between the vector's beginning point and endpoint is what this amount essentially represents. The vector's direction and magnitude are its length and direction, respectively. It only takes a few basic steps to calculate a vector's magnitude.

Other crucial vector operations include multiplying and dividing, determining the cross product, and calculating the angle between two vectors.

The vector's magnitude is calculated as 12i - 8j - 24k take square for each element, which is 122 + 82 + 242 = 282.

square root of 282 once more

Once you have this, the magnitude is 28.

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Correct Question:

What is the magnitude of the vector, 12i – 8j – 24k ?

How quickly would water I a river flow past very close contour lines

Answers

Several factors, like the river's magnitude, the slope of the terrain, and others, would affect how quickly the river would flow past contour lines.

How can contour lines convey a river's flow direction?

To depict the curvature of the landscape and demonstrate the elevation of the land, contour lines are utilized. The flow direction of a river can also be shown using contour lines. A V-shaped pattern results from the employment of contour lines to depict the direction that a river flows.

The V's point will be directed downstream, or in the direction that the river is flowing. Along the river's downstream course, contour lines will likewise move closer together as the river lowers in height. Where the river curves or meanders, the contour lines will also form a loop pattern. The contour line's loop will be pointing downward, indicating the direction of the river flow.

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A small plane can travel at 200km/h in still air. If a 50km/h wind is coming from the east, determine the ground velocity of the plane if the pilot keeps the plane pointed (N).

Answers

The ground velocity of the plane when pointed north would be the vector sum of its velocity relative to the air (200 km/h) and the velocity of the wind (50 km/h). Since the wind is coming from the east, and the plane is pointed north, the wind is blowing across the path of the plane. This means the wind will have no effect on the plane's northward velocity and the ground velocity of the plane would be 200 km/h (north).

What will be the cross product of the vectors 2i 3j K and 3i 2j k?.

Answers

The vectors 2i+3j+k and 3i+2j+k have a cross product of i+j-5k.

The cross product of two vectors in three dimensions is a binary operation. The result is a vector that is perpendicular to both vectors. The two vectors a and b are combined to form the symbol A B.

There are two vectors: 3i+2j+k and 2i+3j+k.

Finding the cross product of two separate vectors is required.

i(3×1 -2×1) -j(2×1 -3×1)+k(2×2-3×3)

= i(3-2)-j (2-3) +k (4-9) (4-9)

=i+j-5k

Any two vectors' cross product will always show how far apart they are from one another in a given direction. cross product of two vectors, always in three dimensions. Any two or three vectors can be crossed to always produce a vector.

The result of two vectors is therefore =i+j-5k.

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Correct Question:

What will be the cross product of the vectors 2i + 3j + k and 3i + 2j + k?

which layer is plastic-like and allows the crust to flow over it?

Answers

The asthenosphere layer is plastic-like and allows the crust to flow over it.

What is asthenosphere and its function?

Asthenosphere is the name given to the upper mantle; astheno is a Greek word that means "weak." Because of its liquid condition, where rock material deforms more easily and magma production occurs, the weak layer is so named. Below the lithosphere is the asthenosphere. The lithosphere flows on the asthenosphere, which is formed of a very viscous, ductile, semi-solid substance. It is around 440km thick and a solid with liquid-like characteristics. The intense pressure and heat in this stratum of solid rock enable the boulders to flow like liquids. The asthenosphere's rocks are less dense than the lithosphere's rocks. As a result, the tectonic plates of the lithosphere can move about on the surface of the Earth.

Thus, the asthenosphere layer is plastic-like and allows the crust to flow over it.

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An object is dropped from a 42 m tall building. How long does it take to
reach the ground?
2.9 s
8.7 s
9.3 s
11.7 s

Answers

Answer:

2.9s

Explanation:

When object was dropped from some height, it displacement

h=v_i t+(at^2)/2=(gt^2)/2

So

t=√(2h/g)=√((2×42)/9.8)=2.9 s

Why is momentum zero?.

Answers

Because momentum is a vector, a system's total momentum might be 0 if there are numerous masses. A system comprising two objects having the same amount of momentum and travelling directly toward one another, for example, will have a total momentum of zero.

What is momentum?

Momentum is defined as a body's amount of motion. It is measured by "mass velocity," since velocity and the direction of the body's motion impact momentum. Momentum is a vector quantity since velocity is a vector and mass is a scalar variable. Momentum is defined as the product of mass and velocity. Because all objects have mass, they have momentum as they move - their mass is in motion. Momentum is a body's "power" while it moves, indicating how much force it can exert on another. A bowling ball (large mass) traveling slowly (low velocity), for example, can have the same momentum as a baseball (small mass) thrown quickly (high velocity).

Here,

Because momentum is a vector, the overall momentum of a system might be 0 if there are numerous masses. A system consisting of two objects having the same amount of momentum and travelling in the same direction, for example, will have a total momentum of zero.

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Imagine you inherit a farm and now have to purchase fertilizer for the farm. The farm is 340 acres and had corn planted the previous year. You must add fertilizer to the soil before you plant this year's crop. You go to the local fertilizer store and find SuperPhosphate-brand fertilizer. You read the fertilizer bag and can recognize from your high school chemistry class a molecular formula C*a_{3}*P_{2}*H_{14}*S_{2}*O_{21} (you don't understand anything else written on the bag because it is imported fertilizer from Japan). You must decide how much fertilizer to buy for application to your cornfields. If each bag contains 25 kg of fertilizer and costs $54.73, how many bags of fertilizer must you purchase, and how much will it cost you to add the necessary fertilizer to your fields ?

Answers

Total Cost is =  $107,380 if The farm is 340 acres and had corn planted  add fertilizer to the soil before you plant this years' crop.

What is called fertilizer?

A fertiliser is a natural or artificial substance containing chemical elements (such as Nitrogen (N), Phosphorus (P) and Potassium (K)) that improve growth and productiveness of plants. Some synonyms include the terms "enrichment" or "plant nutrient".

Why is fertilizer important?

Without fertilizers, nature struggles to replenish the nutrients in the soil. When crops are harvested, important nutrients are removed from the soil, because they follow the crop and end up at the dinner table. If the soil is not replenished with nutrients through fertilizing, crop yields will deteriorate over time.

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A kid slides down a frictionless slide with a height of 4m. (Hint: the answers are independent
of the mass.)
a. What is the kid's speed at the bottom of the slide?
b. If the kid's speed is 6 m/s at the bottom, what percentage of the original potential energy is lost
to friction?

Answers

The kid's speed at the bottom of the slide is 8 m/s.

What is the kid's speed at the bottom of the slide?0% of the original potential energy is lost to friction since the slide is frictionless.The speed at the bottom of the slide is determined by the formula v = sqrt(2gh), where g is the acceleration due to gravity (9.81 m/s^2) and h is the height of the slide (4 m). Therefore, the speed at the bottom of the slide is 4.9 m/s.If the kid's speed is 6 m/s at the bottom, then the percentage of original potential energy lost to friction is 20.8%. This is calculated by subtracting the speed at the bottom of the slide (6 m/s) from the speed that would have been achieved without friction (4.9 m/s), then dividing the difference (1.1 m/s) by the speed without friction (4.9 m/s). This answer is then multiplied by 100 to get a percentage.In conclusion, the percentage of the original potential energy that is lost to friction can be calculated by subtracting the speed achieved with friction from the speed that would have been achieved without friction, then dividing the difference by the speed without friction and multiplying the result by 100.

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Does mass depend on density?.

Answers

Mass does not depend on density. Mass and density are two different physical quantities that do not have any direct relationship.

Mass is a scalar quantity that measures the amount of matter in an object and is independent of its location or motion. It is the total amount of matter in an object, and it doesn't change when the object is compressed or expanded.

On the other hand, density is a measure of how much mass is contained in a given volume. It is defined as the ratio of the mass of an object to its volume. The density of an object can change if its mass stays the same but its volume changes, for example, if the object is compressed.

So, mass does not depend on density, but density depends on mass and volume. If the mass and volume are known, the density can be calculated by dividing the mass by the volume.

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Hanna wants to calculate the terminal velocity of a typical meteorite just before it hits Earth. She researches meteorites at the
library and on the internet. What information does she need to find? (1 point)
O a typical meteorite's weight, surface area, and coefficient of drag; air density close to Earth
O a typical meteorite's surface area and coefficient of drag; air density close to Earth
O a typical meteorite's mass and average velocity
O a typical meteorite's weight, surface area, and coefficient of drag

Answers

After then, the meteorite accelerates quickly to achieve its terminal speed, which is between 200 and 400 miles per hour (90 to 180 meters per second).

How do astronomers determine the origin of a meteorite that reaches Earth?

The meteorite then swiftly reaches its final velocity, which is between 200 and 400 miles per hour (90 to 180 meters per second). The terminal velocity is the speed at which the acceleration caused by gravity is precisely cancelled out by the deceleration caused by atmospheric drag.

Researchers first classify the sort of rock in their investigation before dating the meteorite to ascertain its origin. Nakhla indicated that it originated 1.3 billion years ago, a significant amount of time after the majority of other meteorites, which date from the Solar system's creation, 4.56 billion years ago.

Meteorites are priced and sold by the gram because they are so rare. Price is influenced by a number of factors, including demand, scarcity, supply, specimen size, specimen quality, and preparation effort. The average cost per gram of a common iron meteorite is between US$0.50 and US$5.00.

Therefore, the correct answer is option d) a typical meteorite's weight, surface area, and coefficient of drag.

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Three charge are poitioned on the corner of a rectangle a hown with charge Q1 = -5. 6 μC, Q2 = 3. 4 μC, and q = -3. 1 μC. The ide length of the rectangle are a = 3 cm and b = 4 cm. Ù

Answers

The moving charge from point A to point B, the electric force that has done work is 2.08 J.

The work done by the electric force exchanges with the amount of charge transferred and exchanges with the potential difference between the starting and destination points.

To complete the task, we must find out the potentials at nodes A and B. Then we can calculate the electric potential energy of the charge Q 3 in these places. The work done by the electric force by moving the charge from A to B is equal to the difference in the electric potential energy.

To answer this question, we use the following formula:

W = Q3 (Q1-Q2)/4πε₀ (1/a - 1/b)

Numerical substitution:

Q3 = -3. 1 μC = -3.1 x 10⁻⁶C

Q1 = -5.6 μC = -5.6 x 10⁻⁶C

Q2 = 3.4 μC = 3.4 x 10⁻⁶C

a = 3 cm = 3 x 10⁻² m

b = 4 cm = 4 x 10⁻² m

ε₀ = 8.85 x 10 ⁻¹² C²N⁻¹m⁻² (from the table)

W = Q3 (Q1-Q2)/4πε₀ (1/a - 1/b)

W = -3.1 x 10⁻⁶C (-5.6 x 10⁻⁶C - 3.4 x 10⁻⁶C)/4π8.85 x 10 ⁻¹² (1/0.03 - 1/0.04)

W = -3.1 x 10⁻⁶C (-9 x10⁻⁶C)/4π8.85 x 10 ⁻¹² (1/0.03 - 1/0.04)

W = 27.9 x 10⁻¹² C/4π8.85 x 10⁻¹² (8,3)

W = 27.9 x 10⁻¹² C/111,25 x 10⁻¹² (8,3)

W = 0,25 x 8,3

W = 2.08 J

Thus, moving the charge from point A to point B, the electric force that has done work is 2.08 J.

Your question is incomplete but most probably your full question was:

Three charges are positioned on the corner of a rectangle shown with charge Q1 = -5.6 μC, Q2 = 3.4 μC, and q = -3.1 μC. The side lengths of the rectangle are a = 3 cm and b = 4 cm. How much work must be done by the electric force to move charge Q3 diagonally from point A to point B?

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What is the rate of change formula excel?.

Answers

A rate of change is a rate that describes how one quantity changes in respect to another. rate of change=change in y change in x=change in distance change in time.

How do you explain pace of change?

The rate of change (ROC) describes how rapidly something changes over time. It is hence the pace of change (rather than the amount of individual changes) that is important. In finance, rate of change is used to assess price returns and identify momentum in trends.

A line's rate of change is the slope, the increase over run, or the change in over the change in. The slope may be determined using two points in a table or the slope triangle in a .

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How is maximum torque calculated?.

Answers

Torque is calculated using the following formula: Torque = (3*EMF2)/ (4*pi*Synchronous Speed*Reactance). When the rotor rotates at its fastest speed, the maximum running torque occurs.

It achieves mathematical equivalence between rotor reactance per phase and rotor resistance per phase. Torque is spelled with the letter T. This scenario is conceivable if the value of the denominator shown below equals zero. The maximum torque is thus produced when, while the motor is running, the rotor reactance per phase is equal to the rotor resistance per phase. When the value of sX 20 = R 2 is entered, equation (1) is transformed into the equation for maximum torque. The rotor's stationary reactance and maximum torque are inversely connected.

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PT 1
The arm of a crane at a construction site is
20.0 m long, and it makes an angle of 15.0* with the horizontal. Assume that the maximum load the crane can handle is limited
by the amount of torque the load produces
around the base of the arm.
What maximum torque can the crane withstand if the maximum load the crane can handle is 864 N?
Answer in units of N.

PT 2
What is the maximum load for this crane at
an angle of 29.2* with the horizontal?
Answer in units of N.

Answers

(a) The maximum torque the crane can withstand is 16,691.2 N m.

(b) The maximum load of the crane is 956.1 N.

What is the maximum torque the crane withstand

The maximum torque the crane can withstand if the maximum load the crane can handle is 864 N is calculated as follows;

τ = rF x cosθ

where;

r is the length of the arm of the craneF is the load the crane can handleθ is the angle of inclination of the crane arm

The maximum torque the crane can withstand is calculated as follows;

τ = 20 m x 864 N x cos (15)

τ = 16,691.2 Nm

The maximum load of the crane is calculated as follows;

F = τ  / rcosθ

F = ( 16691.2 ) / ( 20 x cos 29.2 )

F = 956.1 N

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