The least amount of nitrogen oxide emissions comes from
a) on-road vehicles
b) fossil fuel combustion
c) industrial processes
d) electricity generation
e) fires

Answer:

Od- Wooden

Explanation:

It would not make sense if it was non-wood because that make it no a wood base product, OC is not right because its not a a plant that produces wood as its structural tissue and thus has a hard stem.   An OA justT o take or get a supply of wood. so its Od

Answer:

Approximately \(2.69\; {\rm A}\).

Explanation:

Ensure that all values are measured in standard units. Charge should be measured in coulombs, while time should be measured in seconds:

\(\begin{aligned}t &= 3.0\; {\rm hr} \times \frac{3600\; {\rm s}}{1\; {\rm hr}} = 10800\; {\rm s}\end{aligned}\).

Electric current \(I\) is the rate of flow of electric charge.

In order to find the electric current, divide electric charge \(q\) by the time \(t\) required to transfer these charge. If charge \(q\!\) is measured in coulombs and time \(t\!\) is measured in seconds, the unit of current \(I\)would be amperes:

\(\begin{aligned}I & = \frac{q}{t} \\ &= \frac{29000\; {\rm C}}{10800\; {\rm s}} \approx 2.69\; {\rm A}\end{aligned}\).

Answer:

Fractional error = 0.17

Percent error = 17%

F = 112 ± 19 N

Explanation:

Plug in the values to find the force:

F = (3.5 kg) (20 m/s)² / (12.5 m) = 112 N

Find the fractional error:

ΔF/F = Δm/m + 2Δv/v + Δr/r

ΔF/F = 0.1/3.5 + 2(1/20) + 0.5/12.5

ΔF/F = 0.17

Multiply by 100% to find the percent error:

ΔF/F × 100% = 17%

Solve for the absolute error:

ΔF = 0.17 × 112 N = 19 N

Therefore, the force is:

F = 112 ± 19 N

The heat and pressure generated when slamming on the brakes can cause tears and cracks in the hoses.

Sliding friction is defined as the force acting between moving surfaces. An object moving on a surface experiences a force opposite its direction of motion. The force magnitude depends on the dynamic friction coefficient between the two materials.

Static friction prevents the box from moving without being pushed. It must be overcome with sufficient reaction force before the box can move. Kinetic friction is the force that resists the relative motion of surfaces when they begin to move.

Sliding friction is also called kinetic friction because it occurs between two surfaces rubbing against each other. Sliding friction is caused by the entanglement of surface irregularities.

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A 350 mA current will be used to move 185 C of electric charge through the motor in 528.57 seconds, or roughly 8 minutes and 49 seconds.

Electric current is measured in amperes, which are represented by the letter A. One ampere is equal to one coulomb passing through a particular location in a wire in a second. The equation I = Q t can be used to determine current, where Q stands for the amount of charge that passes a place in a given amount of time, t.

The formula is as follows:

Q = I * t

where Q, I, and t represent the electric charge, current, and time, respectively.

We can rearrange the formula to find the time t:

t = Q / I

I = 350 mA (milliamperes) and Q = 185 C (coulombs).

I = 350 mA = 0.35 A

t = 185 C / 0.35 A

Simplifying, we get:

t = 528.57 seconds

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Answer:

A linear pattern is a continuous decrease or increase in numbers over time

Explanation:

Answer: Answer below hope it helps

Explanation: How does a rubber rod become negatively charged through friction? It touches a negatively charged object, and protons move off of the rod. ... It is rubbed with another object, and electrons move onto the rod. It is rubbed with another object, and protons move off of the rod.

Answer:

Hey

here's ur answer ⤵️

Explanation:

It touches a negatively charged object, and protons move off of the rod it is rubbed with another object and electrons move onto the rod.

It is rubbed with another object and protons move off of the rod.

Hope it helps

Answer  is approximately 3.00 x \(10^8\) meters per second.

The equation that links the maximum electric field (Emax) and the maximum magnetic field (Bmax) of a photon of light is given by:

Emax = c * Bmax

where:

- Emax is the maximum electric field amplitude,

- Bmax is the maximum magnetic field amplitude,

- c is the speed of light in vacuum.

According to Maxwell's equations, in a vacuum, the electric and magnetic fields in an electromagnetic wave, such as a photon, are related to each other by the speed of light (c), which is approximately 3.00 x\(10^8\) meters per second. The equation above expresses this relationship, stating that the maximum electric field amplitude is equal to the speed of light multiplied by the maximum magnetic field amplitude.

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Answer:All three balls have the same initial speed, so they all have the same horizontal component of velocity. However, the vertical component of velocity and the angle of projection affect how long it takes for each ball to hit the ground and at what speed.

Assuming all three balls are thrown from the same height, the ball that is thrown at the smallest angle above the horizontal will hit the ground with the greatest speed. This is because the vertical component of velocity is the greatest for this ball, and it has the longest distance to fall.

To see this, consider the equations for the vertical and horizontal components of velocity:

v_y = v_i * sin(theta)

v_x = v_i * cos(theta)

where v_y and v_x are the vertical and horizontal components of velocity, respectively, v_i is the initial speed, and theta is the angle of projection.

The time it takes for the ball to hit the ground can be found using the equation:

t = 2 * v_i * sin(theta) / g

where g is the acceleration due to gravity.

The vertical velocity of the ball just before it hits the ground is:

v_y_final = v_y_initial - g * t

Substituting the expressions for v_y and t and simplifying, we get:

v_y_final = v_i * sin(theta) - 2 * v_i * sin(theta) = -v_i * sin(theta)

The negative sign indicates that the ball is moving downward.

Since the initial speeds are the same for all three balls, the ball with the smallest angle above the horizontal will have the greatest sin(theta) and hence the greatest final vertical velocity. Therefore, it will hit the ground with the greatest speed.

Explanation:

When three balls are thrown from a cliff with the same speed but at different angles, they will all hit the ground with the same final speed since they are all affected by the same gravitational acceleration.

However, the angles at which the balls are thrown will determine their velocities in the horizontal and vertical directions, which will affect their paths and trajectories.

The ball that is thrown at a shallower angle, closer to the horizontal, will have a greater horizontal velocity component, allowing it to travel further along the ground before hitting the ground.

The ball that is thrown at a steeper angle, closer to the vertical, will have a greater vertical velocity component, allowing it to reach a higher maximum height before eventually hitting the ground.

Thus, while all three balls will hit the ground with the same final speed, the ball that was thrown at the shallower angle will have the greatest speed just before it hits the ground, due to its higher horizontal velocity component.

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Answer:

To add two non-collinear vectors, you first need to draw them on a coordinate plane so that their tails are at the same point. Then, you can use the "tip-to-tail" method to add the vectors. This involves drawing a vector from the tail of the first vector to the tip of the second vector, and this new vector is the sum of the two original vectors.

For example, if you have two non-collinear vectors, A and B, and you want to find their sum, you would first draw them on a coordinate plane so that their tails are at the same point. Then, you would draw a vector from the tail of vector A to the tip of vector B. This new vector, which is the sum of vectors A and B, is the result of adding the two vectors.

To calculate the sum of the vectors using the tip-to-tail method, you would simply add the x and y components of the two vectors separately. For example, if vector A has an x component of 3 and a y component of 4, and vector B has an x component of 5 and a y component of 6, the sum of the two vectors would be a vector with an x component of 8 and a y component of 10.

It's important to note that the sum of two non-collinear vectors is not necessarily a non-collinear vector. The sum of two non-collinear vectors can be a non-collinear vector, a collinear vector, or a zero vector (if the two original vectors are opposites of each other).

Answer: C for all of them

Explanation:

Because I'm smart

Jk

So basically its beacuse all of them have the same mixture since science can be interrelated and interchangebale in terms of formulas ok bye now

Thanks

Hope this helped you

Or not

Sorry if it didn't ig

Answer:

ohm

Explanation:

The intensity of the laser beam if the radius of the beam is 1.50 × 10⁻³ m, and the power is 1.30 × 10⁻³ is 183.9 W/m².

The intensity of the laser beam can be calculated using the formula:

I = P/A

where I is the intensity, P is the power, and A is the cross-sectional area of the beam.

The cross-sectional area of the beam can be calculated using the formula for the area of a circle:

A = πr²

where r is the radius of the beam.

Substituting the given values:

r = 1.50 x 10⁻³ m

P = 1.30 x 10⁻³ W

A = π(1.50 x 10⁻³)₂

= 7.07 x 10⁻⁶ m₂

So, the intensity of the laser beam is:

I = 1.30 x 10⁻³ W / 7.07 x 10⁻⁶ m

= 183.9 W/m²

Therefore, the intensity of the laser beam is 183.9 W/m².

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The gravitational force is inversely proportional to the distance from the surface of earth. Thus, value of g will be lower at higher altitudes.

Gravitational force is a kind or force by which an object attracts other objects into its center of mass. It is dependent on the mass of the objects and distance between them.

According to the law of universal gravitation, the force of gravitation g is written as:

g = Gm/ r²

Here. m is the mass, G be the gravitational constant and r be the distance from the surface.

Thus, as per this equation g is inversely proportional to the square of the distance from earth's surface. Therefore, at higher altitudes, the gravity will be slightly lower,

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Answer:

We would likely see a decrease in the demand for energy drinks.

Explanation:

The demand of energy drink will decreases and may lead to price fall of energy drink too.

In economics, the relationship between the quantity of a good or service that producers want to sell at different prices and the quantity that consumers want to buy is known as supply and demand. It serves as the primary model for determining prices in economic theory. The interaction of supply and demand in a market determines the price of a good.

When scientists provide evidence that people who drink energy drinks are more likely to have a heart attack than people who do not drink energy drinks, the demand of energy drink in market will fall which may lead to price fall of energy drink too.

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The velocity of the fourth piece after the explosion is 118.5 m/s at 14.7⁰ east of north.

The principle of conservation of linear momentum states that the sum of the initial momentum is equal to sum of final momentum.

Initial momentum of the bomb before explosion is equal to the final momentum of pieces of bomb after explosion.

Pi = Pf

0 = P₁ + P₂ + P₃ + P₄

0 = mv₁ + mv₂ + mv₃ + mv₄

0 = v₁ + v₂ + v₃ + v₄

Consider x-y plane for the velocity of the piece of bomb;

\(0 = (v_1x + v_1y) + (v_2x + v_2_y) + (v_3x + v_3_y) + (v_4_x + v_4_y)\\\\0 = (0 - 50y) + (-80x + 0) + (-40cos30x + 40sin30y) + (v_4_x + v_4_y)\\\\0 = -50y -80x - 34.64x + 20y + v_4_x + v_4_y\\\\0 = -30y - 114.64x + v_4_x + v_4_y \\\\v_4_x + v_4_y = 114.64x + 30y\\\\|v_4| = \sqrt{114.64^2 + 30^2} \\\\|v_4| = 118.5 \ m/s\\\\tan(\theta ) = \frac{30}{114.64} \\\\tan(\theta) = 0.262\\\\\theta = tan^{-1} (0.262)\\\\\theta= 14.7 \ ^0\)

Thus, the velocity of the fourth piece is 118.5 m/s at 14.7⁰ east of north.

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Momentum, the product of a particle's mass and its velocity. Momentum is a vector quantity. It has both magnitude and direction. Isaac Newton's second law of motion states that the rate of change of momentum over time is equal to the force acting on a particle.

From Newton's second law, if a particle is subject to a constant force over a period of time, the product of that force and the time interval (momentum) equals the change in momentum. Conversely, the momentum of a particle is a measure of the time it takes for a constant force to come to rest.

We know, p = mv

Where, p = momentum

m = mass of object

v = velocity of the object

Since, momentum is directly proportional to the velocity of object:

p ∝ v

This means, that momentum increases with an increase in velocity.

If the velocity is constant, then:

p ∝ m

As the truck is losing some mass due the leakage of sand at a constant rate.

So, this decrease in mass leads in a decrease of momentum.

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the work done to raise a 25kg book to a 1.5 m shelf is 367.5J and the potential energy of the book will be 367.5

Work done by a force is equal to the scalar product of the force applied and displacement. If d displacement happens on applying a force F, then work done, W by the force is

W = F. d

given:

mass, m = 25 kg

height, d = 1.50 m

work has to be done against the weight of the book, F = mg

work done W = F. d

W = mgd

W = (25) ×(9.8)×(1.50)

W = 367.5 J

This work is stored as the potential energy of the book.

Therefore, the work done to raise a 25kg book to a 1.5 m shelf is 367.5J and the potential energy of the book will be 367.5J

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The given average distance of the Moon from the Earth is 384,000 km and the sidereal period of the moon is 27.3 days. We need to find the average orbital speed of the moon.So, we can use the formula to calculate the average orbital speed of the Moon as follows:

Average orbital speed (V) = distance/time.

To get the distance covered by the moon in one orbit, we will multiply the distance of the Moon from the Earth by the circumference of the orbit:

Distance = 2 × π × r = 2 × π × 384000 = 2.41 × 10^6 km.

Therefore, the average orbital speed of the Moon is given by the formula:V = Distance / Time periodV = 2.41 × 10^6 km / 27.3 days.

We need to convert the time period from days to seconds:1 day = 24 hours1 hour = 60 minutes1 minute = 60 seconds1 day = 24 × 60 × 60 seconds1 day = 86400 seconds.

Therefore, the time period is:27.3 days = 27.3 × 86400 seconds27.3 days = 2.36 × 10^6 seconds.

Substituting this value in the formula we get:V = 2.41 × 10^6 km / 2.36 × 10^6 secondsV = 1.02 km/s.

Therefore, the average orbital speed of the moon is 1.02 km/s.

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The magnitude of electrical force on charge \(q_{3}\) due to the others is 0.102 newtons.

The vector position of each particle respect to origin are described below:

\(\vec r_{1} = (-0.500, 0)\,[m]\)

\(\vec r_{2} = (+0.500, 0)\,[m]\)

\(\vec r_{3} = (0, +0.500)\,[m]\)

Then, distances of the former two particles particles respect to the latter one are found now:

\(\vec r_{13} = (+0.500, +0.500)\,[m]\)

\(r_{13} = \sqrt{\vec r_{13}\,\bullet\,\vec r_{13}} = \sqrt{(0.500\,m)^{2}+(0.500\,m)^{2}}\)

\(r_{13} =\frac{\sqrt{2}}{2}\,m\)

\(\vec r_{23} = (-0.500, +0.500)\,[m]\)

\(r_{23} = \sqrt{\vec r_{23}\,\bullet \,\vec r_{23}} = \sqrt{(-0.500\,m)^{2}+(0.500\,m)^{2}}\)

\(r_{23} =\frac{\sqrt{2}}{2}\,m\)

The resultant force is found by Coulomb's law and principle of superposition:

\(\vec R = \vec F_{13}+\vec F_{23}\) (1)

Please notice that particles with charges of same sign attract each other and particles with charges of opposite sign repeal each other.

\(\vec R = \frac{k\cdot q_{1}\cdot q_{3}}{r_{13}^{2}}\cdot \vec u_{13} +\frac{k\cdot q_{2}\cdot q_{3}}{r_{23}^{2}}\cdot \vec u_{23}\) (2)

Where:

If we know that \(k = 8.988\times 10^{9}\,\frac{N\cdot m^{2}}{C^{2}}\), \(q_{1} = 2\times 10^{-6}\,C\), \(q_{2} = 2\times 10^{-6}\,C\), \(q_{3} = 2\times 10^{-6}\,C\), \(r_{13} =\frac{\sqrt{2}}{2}\,m\), \(r_{23} =\frac{\sqrt{2}}{2}\,m\), \(\vec u_{13} = \left(-\frac{\sqrt{2}}{2}, - \frac{\sqrt{2}}{2} \right)\) and \(\vec u_{23} = \left(\frac{\sqrt{2}}{2}, -\frac{\sqrt{2}}{2} \right)\), then the vector force on charge \(q_{3}\) is:

\(\vec R = \frac{\left(8.988\times 10^{9}\,\frac{N\cdot m^{2}}{C^{2}} \right)\cdot (2\times 10^{-6}\,C)\cdot (2\times 10^{-6}\,C)}{\left(\frac{\sqrt{2}}{2}\,m \right)^{2}} \cdot \left(-\frac{\sqrt{2}}{2}, -\frac{\sqrt{2}}{2} \right) + \frac{\left(8.988\times 10^{9}\,\frac{N\cdot m^{2}}{C^{2}} \right)\cdot (2\times 10^{-6}\,C)\cdot (2\times 10^{-6}\,C)}{\left(\frac{\sqrt{2}}{2}\,m \right)^{2}} \cdot \left(\frac{\sqrt{2}}{2}, -\frac{\sqrt{2}}{2} \right)\)

\(\vec R = 0.072\cdot \left(-\frac{\sqrt{2}}{2}, -\frac{\sqrt{2}}{2} \right) + 0.072\cdot \left(\frac{\sqrt{2}}{2}, -\frac{\sqrt{2}}{2} \right)\,[N]\)

\(\vec R = 0.072\cdot \left(0, -\sqrt{2}\right)\,[N]\)

And the magnitude of the electrical force on charge \(q_{3}\) (\(R\)), in newtons, due to the others is found by Pythagorean theorem:

\(R = 0.102\,N\)

The magnitude of electrical force on charge \(q_{3}\) due to the others is 0.102 newtons. \(\blacksquare\)

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Answer:

false gravity is not considered matter

Answer:

D

Explanation:

A is wrong as the direction of the car changes, implying velocity is changing and not constant.

B and C are wrong as both the change in speed and direction contribute to the change in velocity

Answer:

Most certainly yes

Explanation: First you have to define what friction is "A force that resist motion" while Mechanical advantage " is simply a measure of the output force to the input force". Hence in a mechanical system if you increase friction in the system, it reduces the mechanical advantage and vice versa.

(a) The athlete's velocity just before reaching the pad is 9.8 m/s

(b) The Constant force exerted on the pole vaulter due to the collision is 37.69 N

(a) To calculate the velocity of the athlete just before reaching the pad, we use the formula below.

Formular:

Simplifying the equation,

Where:

From the question,

Given:

Substitute these values into equation 2

Solve for v

(b) To calculate the constant force exerted on the pole vaulter due to collision, we use the formula below.

Where:

From the question,

Given:

Substitite these values into equation 3

Hence, (a) The athlete's velocity just before reaching the pad is 9.8 m/s (b) The Constant force exerted on the pole vaulter due to the collision is 37.69 N

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Answer:

atoms combine

Explanation:

Answer: It has the skill to nest

sorry if I'm wrong

Answer:

B: A colorful beak

Explanation:

i hope this helped!

Ferromagnetic materials can be magnetized more easily than other materials due to their ability to have their magnetic domains aligned. This property allows for a stronger and more pronounced magnetic effect compared to non-ferromagnetic materials.

Ferromagnetic materials, such as iron, nickel, and cobalt, have a unique property called ferromagnetism, which allows them to exhibit strong magnetic behavior. One of the key factors contributing to this property is the presence of magnetic domains within the material. Magnetic domains are regions within the material where the magnetic moments of individual atoms align in the same direction.

In the absence of an external magnetic field, the magnetic domains in ferromagnetic materials are randomly oriented, resulting in a net magnetic field of zero. However, when an external magnetic field is

applied, the domains can align in the direction of the field, resulting in a magnetized state.

What sets ferromagnetic materials apart from other materials is their ability to have their magnetic domains easily aligned. This means that the material can be magnetized more easily and exhibit a stronger magnetic effect. Once the external magnetic field is removed, the ferromagnetic material retains some degree of magnetization due to the aligned domains.

This characteristic of ferromagnetic materials makes them highly useful in various applications, including electromagnets, transformers, and magnetic storage devices.

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Answer:

b. between 2 s and 4 s

Explanation:

2-4 was both 3m/s