What would be the effect on the calculated value of the efficiency of the following systematic errors of measurement?

Answer:

Newton's Third Law of Motion

Explanation:

it explains that forces always come in action-reaction pairs. The Third Law states that for every action force, there is an equal and opposite reaction force

Answer:

newtons third law of motion

Explanation:

newtons third law of motion explains that forces always come in action-reaction pairs

Yes, the weight of the suspension clamps is omitted from the calculation as long as each side of the support is the same.

Suspension clamps are mainly used for overhead power lines or substations. It can hang wire, lightning protection wire on insulator string, or lightning protection cable on the tower by connecting fittings. Suspension clamps are mainly made of malleable iron and aluminum alloy.

Given the same number of clamps on both sides of the support, when we calculate the torque, the weight of the clamps will disappear from each side.

Like there are 2 clamps on each side so the torque due to the clamps are going to be

                  τ = r x F = 2 * W * d - 2 * W * d          

So that the weight of the clamps can be omitted as in the final calculation of the torque as each clamp will cancel out. Provided that the position of the clamps on both sides of the support is the same (i.e., distance d from the support)

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Answer:

C

Explanation:

because cooling down makes your blood flow through your body much easier and fatser.

Answer:

C.It keeps your blood flowing evenly.

Explanation:

Answer:

Release

Explanation:

The water is heated until

Answer:

The centripetal acceleration of the stone is 5 m/s²

Explanation:

The length of the string to which the stone is attached, r = 1 m

The speed with which the string is rotated, v = 5 m/s

The centripetal acceleration, \(a_c\), is given as follows;

\(a_c = \dfrac{v^2}{r}\)

Therefore, the centripetal acceleration of the stone found as follows;

\(a_c = \dfrac{(5 \ m/s)^2}{1 \ m} = 5 \ m/s^2\)

The centripetal acceleration of the stone, \(a_c\) = 5 m/s².

The given paraboloid coordinate system (u, v, ϕ) with x = u.v cosϕ,

y = u.v sinϕ , z = 1/2 (u2 - v2) is orthogonal. The gradient is ∇f = (∂f/∂u) e_u + (∂f/∂v) e_v + (∂f/∂ϕ) e_ϕ ; divergent is ∇²f = ∇ · (∇f) ; curl is (∇ x) and laplacian is  (∇²).

We can prove that the paraboloid coordinate system (u, v, ϕ) is orthogonal, by computing the dot products of the basis vectors. The basis vectors in this coordinate system are given by:

e_u = (∂x/∂u, ∂y/∂u, ∂z/∂u) = (v cosϕ, v sinϕ, u)

e_v = (∂x/∂v, ∂y/∂v, ∂z/∂v) = (u cosϕ, u sinϕ, -v)

e_ϕ = (∂x/∂ϕ, ∂y/∂ϕ, ∂z/∂ϕ) = (-u.v sinϕ, u.v cosϕ, 0)

By Taking the dot products, we find that e_u · e_v = 0, e_v · e_ϕ = 0, and e_ϕ · e_u = 0. This proves that the basis vectors are mutually perpendicular, and therefore, the coordinate system is orthogonal.

Next, we can calculate the gradient (∇) in this coordinate system. The gradient of a scalar function f(u, v, ϕ) is given by:

∇f = (∂f/∂u) e_u + (∂f/∂v) e_v + (∂f/∂ϕ) e_ϕ

The divergence (∇ ·) and curl (∇ x) can be computed using the standard formulas in terms of the basis vectors. Finally, the Laplacian (∇²) can be obtained by taking the divergence of the gradient:

∇²f = ∇ · (∇f)

Thus, By evaluating these operations in the given coordinate system using the appropriate partial derivatives, we can determine the gradient, divergent, curl, and Laplacian for any scalar function in the (u, v, ϕ) coordinates.

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The melting point of a substance is the temperature at which the substance changes its phase from solid to liquid.

The freezing point is the temperature at which the substance changes its phase from liquid to solid.

The melting point of a substance is the same as the freezing point. That is when the temperature of the substance in the liquid form is increased continuously, the temperature at which the substance turns into a solid is equal to the temperature at which the substance will turn into liquid from solid if the temperature is decreased continuously, from a higher temperature.

Answer:

B

Explanation:

Answer:

 E_g = m 392 J,      Ek = m 392

Explanation:

Mechanical energy is a very important concept since if the system does not have friction it remains constant

the potential energy of a system is

          E_g = U = m g (y2 - i)

          E_g = m 9.8 (40 -0)

          E_g = m 392 J

The kinetic energy for this system assuming it started from rest

          E_k = K = ½ m v2

how mechanical energy is conserved

         E_g = E_k

         Ek = m 392

The minimum number of overload units for a three-phase AC motor's protection is THREE (3). It is a polyphase motor.

Three-phase motors are polyphase motors, which can be induction motors or synchronous motors.

A three-phase motor is organized to run on three-phase alternating current (AC) electrical power, which is required for diverse industrial devices that use a lot of electrical energy.

These motors (three-phase motor) are composed of a stator (the outer part), a rotor (rotating part), and the enclosure (the external skeleton).

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Water rises inside a glass tube with a narrow diameter due to the phenomenon of capillary action.

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, or in opposition to, external forces like gravity. In a glass tube with a narrow diameter, the attractive forces between the water molecules (cohesion) are stronger than the attractive forces between the water molecules and the glass surface (adhesion). As a result, the water molecules climb up the walls of the glass tube, creating a concave meniscus and causing the water level to rise.

The height to which water rises in a glass tube is dependent on the diameter of the tube, the surface tension of the liquid, and the angle of contact between the liquid and the tube. The smaller the diameter of the tube, the higher the water will rise due to increased surface tension and greater capillary forces.

Overall, capillary action is a fundamental principle in physics and has practical applications in many fields, including biology, chemistry, and engineering.

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Answer:

Below:

Explanation:

The most common method used by the USGS for measuring velocity is with a current meter. However, a variety of advanced equipment can also be used to sense stage and measure streamflow. In the simplest method, a current meter turns with the flow of the river or stream.

Hope it helps...

It's Ms-Muska

Answer:

velocity, power, energy, force and density

Explanation:

As stated in the preceding statement When braking, an automobile experiences an average force of 5,145.8 N.

An object is considered to have been pushed if its velocity changes. Depending on whether an item is moving faster, slower, or in a new direction, its velocity may change. Examples of acceleration include a falling fruit, the moon orbiting the earth, and an automobile that has stopped at a stop sign.

v = v o + a t  ( the acceleration will be negative )

9.50 = 16.0 + a * 1.2

a * 1.2 = -16.0 + 9.50

a * 1.2 = - 6.5

a = - 6.5 : 1.2

a = - 5.4167 m/s²

F = m * a

950 kg * 5.4167 m/s²

F = 5,145.8 N ( the average force exerted on a car during braking )

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Acceleration means change in velocity with respect to time If the body is moving with uniform velocity then there will be no change in velocity which means acceleration will be 0.

Answer:

a = (V2 - V1) / t = 0 if V2 = V1

True

Note: an object moving in a circular path with a uniform speed does not have a uniform velocity

a) Tina drives 326.4 meters before passing David.

b) Tina's speed as she passes David is 42.0 m/s.

a. To find the distance that Tina drives before passing David, we can use the equations of motion for both Tina and David and set them equal to each other.

Tina's equation of motion is:

x = 0.5at²,

where x is the distance she travels, a is her acceleration, and t is the time.

David's equation of motion is:

x = vt, where v is his constant speed.

Setting these two equations equal to each other, we get:

0.5at² = vt

Substituting in the given values for a and v, we get:

0.5(2.70)t² = 21.0t

Solving for t, we get:

t = 15.55 seconds

Now we can plug this value of t back into either equation of motion to find the distance that Tina travels before passing David:

x = 0.5(2.70)(15.55)² = 326.4 meters

So Tina drives 326.4 meters before passing David.

b. To find Tina's speed as she passes David, we can use the equation

v = at, where v is her speed, a is her acceleration, and t is the time.

Substituting in the given values for a and t, we get:

v = (2.70)(15.55) = 42.0 m/s

So Tina's speed as she passes David is 42.0 m/s.

Therefore,

a) Tina drives 326.4 meters before passing David.

b) Tina's speed as she passes David is 42.0 m/s.

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Answer:

it is B

Explanation:

Because I agree with her and also got 100

Answer:

At the top v =0 and there will be a acceleration due to gravity (g) acting downward.

Answer:

650N

Explanation:

f = ma

130kg x 5 m/s^2 = 650N

An offshore wind, option A: blows from land to water, this is why it is also known as land breeze.

The movement of wind from land to a body of water is known as a land breeze or offshore wind. The process goes throughout the night. The land and the ocean both cool as the sun goes down. The land cools down more quickly because it has a lower heat capacity than water.

A low-pressure area develops over the sea as a result of the water's higher temperature than the land. Air rushes from the land to the sea as a result, hence the term "land breeze."

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Answer:

The answer is 8 meters west

Explanation:

This answer is for quizizz website

The displacement of Ivan for the entire motion is estimated as 8 m east.

The given parameters;

The displacement of an object is the change in the position of the object. It can also be explained as the shortest distance between the initial position and the final position of the object for the entire motion.

The displacement of Ivan is calculated as follows;

Displacement = 2 m east - 10 m west

Displacement = 8 m east

Thus, the displacement of Ivan for the entire motion is estimated as 8 m east.

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Answer:

1. 3000 N

Explanation:

you multiply 1000kg and 3

Answer:

2. acceleration will double

The acceleration will increase for example: 4/2=2 m/s^2 and if you double 4 it will be 8/2=4 m/s^2. Which means the acceleration also doubles.

Answer:

Ofc! Uhm, The cause of that increase would be (C) As it rises.

Explanation:

I hope this helped a little- I'm sure that I won't be 100% correct as it is 11 pm for me, haha. Nya~ good luck on the test!

Answer: The rods both have the same charge therefore they repel each other.  The force of repulsion creates a downward force on the balance pan and therefore the balance registers a higher reading.

The average velocity of April, knowing that she runs leftward 100 m to her horse then she rides 500 m to her truck then she drives 1000 m in a total time of 120 s is 13.33 m/s

We know that average velocity is the total displacement travelled divided by the total time. This can be written as:

Average velocity = Total displacement / total time

With the above information, we'll begin our calculation by obtaining the total displacement. This is illustrated below:

Total displacement = 100 + 500 + 1000

Total displacement = 1600 m

Finally, we shall determin the average velocity. This is shown below:

Average velocity = Total displacement / total time

Average velocity = 1600 / 120

Average velocity = 13.33 m/s

Thus, the average velocity is 13.33 m/s

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Assume for the moment that it shows a young child embracing her mother before he departs for a tour of service abroad. How would you employ science to analyse her effects.

What in physics is an energy?

The definition of energy is ability to do work," which is the capacity to apply a force that causes an item to move. organismal biology the study of sentient creatures Social science is the study of people and society.

photo of How might science be used for research,Students who study science get the chance to learn more about how and how things work. Children can learn about the environment they live in through science.

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Answer: The science I would use to study the impact of the father’s departure from her family would be interpretive sociology.

Explanation: The reason I chose this science is because it focuses on the cause of people’s actions.

This technique is often used in forensic science to identify inks used in forged documents or other types of evidence.

One method to separate a mixture of colored inks is chromatography. Chromatography is a physical separation technique used to separate mixtures based on their molecular properties. In the case of colored inks, paper chromatography is a commonly used technique.

In paper chromatography, a small amount of the ink mixture is spotted onto a piece of chromatography paper, and the paper is placed in a container with a small amount of solvent (e.g. water, alcohol, or acetone). The solvent moves up the paper by capillary action, carrying the ink mixture with it. As the solvent moves up the paper, different components of the ink mixture are separated and are visible as colored bands.

The separation occurs because different components of the mixture have different affinities for the paper and the solvent. Components that are more soluble in the solvent will move up the paper more quickly, while those that are more attracted to the paper will move up more slowly. This results in a separation of the components based on their physical and chemical properties.

By comparing the separated bands of the ink mixture to those of known pure inks, the identity of each component in the mixture can be determined. This technique is often used in forensic science to identify inks used in forged documents or other types of evidence.

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A likely method to separate a mixture of colored inks is through chromatography, a technique used to separate components of a mixture. It separates the ink into its constituent colors by allowing a solvent to travel up a stationary phase like paper, carrying the ink mixture with it.

A method that would likely be used to separate a mixture of colored inks is chromatography. Chromatography is a method used in chemistry to separate components of a mixture. It works by using a stationary phase and a mobile phase. In the case of ink separation, the ink mixture would be placed on a stationary phase (like paper), and a solvent (the mobile phase) would be allowed to travel up the paper. As the solvent travels, it moves the mixture along its path. Each component of the ink by their size, chemical properties, and interaction with the solvent and paper will move at different rates, thereby separating the ink into its constituent colors. This method is particularly useful in analyzing the chemical composition of inks and other similar mixtures.

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Doubling the kinetic energy of a car does not change its momentum. Momentum is determined solely by the mass and velocity of the object, independent of its kinetic energy.

Kinetic energy and momentum are two different physical quantities that describe the motion of an object. Kinetic energy depends on the mass and velocity of an object, while momentum depends only on the mass and velocity.

When the kinetic energy of a car is doubled, it means that the car's velocity is increased while its mass remains the same. However, momentum is the product of mass and velocity, so if the mass remains constant, any change in kinetic energy does not directly affect momentum.

Mathematically, the formula for kinetic energy is KE = (1/2)mv^2, where KE represents kinetic energy, m represents mass, and v represents velocity. On the other hand, momentum is given by the formula p = mv, where p represents momentum. As we can see, kinetic energy involves velocity squared, while momentum only involves velocity.

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