What is the SI unit of linear momentum Mcq?.

Radio waves, microwaves, infrared rays, visible rays, ultraviolet rays, X-rays, gamma rays. Radio waves have long wavelengths and low frequencies, while gamma rays have short wavelengths and high frequencies.

In physics, electromagnetic radiation consists of space-propagating electromagnetic field waves carrying momentum and electromagnetic radiation energy. These include radio waves, microwaves, infrared rays, light, ultraviolet rays, X-rays, and gamma rays. The seven Electromagnetic Waves in ascending order of frequency and descending order of wavelength are:

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The charge on the yellow sphere is positive because the net electric force on the blue sphere has a value of F and is oriented in the y direction.

What is class 12 of Gauss's law?

According to Gauss's law, each closed surface's electric flux is equal to the net charge it contains divided by the vacuum's permittivity, or =Q.

What makes it the Gauss law?

Gauss' Law demonstrates how electric fields, E, can be produced by static electricity, q. Gauss' Law, which bears the name of German physicist Carl Friedrich Gauss, is the third of Maxwell's four equations. According to Gauss' Law, an electric charge, qv, or static electricity, produces an electric field, E. (voltage).

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Answer: divide the output force by the input force

Explanation: your welcome

The mechanical advantage which a simple machine provides can be calculated by dividing the output displacement by the input displacement. Thus, the correct option is B.

The mechanical advantage of a simple machine can be defined as the ratio of output force applied on the object to input force. Mechanical advantage is also the ratio of load overcame by a simple machine to the effort which is applied by that machine. The formula for mechanical advantage of a simple machine is given as:

M.A. = output force / input force

M.A. = Load / effort

Thus, the mechanical advantage of a simple machine depends both on the output force of the simple machine and the input force of the machine.

Therefore, the correct option is B.

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The potential energy of the object is 9.8 Joule. The result is obtained by using the formula for kinetic energy.

Potential energy is the energy of an object due to its position.

The energy of an object in a gravitational field is called gravitational potential energy. It can be expressed as

U = mgh

Where

Suppose we raise a object with a mass of 1.0 kg to 1.0 m high. Find the potential energy!

We have

The Earth's gravitational field is 9.8 m/s².

The potential energy would be

U = mgh

U = 1.0 × 9.8 × 1.0

U = 9.8 Joule

Hence, the object has the potential energy of 9.8 Joule.

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Material or an item that creates a magnetic area is called a magnet. The domain actually defines the all the attractive and repulsive property of all the magnet.

As per the definition we know that the properties and interaction of magnets are called magnetism.

The force which is created during the attraction and repugnance of magnets towards different magnets or objects is called magnetism. Generally it results because of the existence of the electric field.

It is the most essential effect that causes a shift in the magnetic field that influences the electric field and vice versa.

Hence, magnetism is the property of magnets interacting in the field.

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Blue, indigo, cyan, green, yellow, oranges, and red are the hues of visible light. Red has the different energy levels since it has the shorter wavelengths of all visible light.

Violet has the most energy, whereas red has the least. Just as there are frequencies our ears can't hear, there are many other types of light besides red and violet that our eyes can't see. Radio waves, which already have wavelengths thousands of times longer compared to visible light, are at one spectrum end of the spectrum.

Gamma rays which have the maximum energy in the visible radiation, with long radio waves Along with visible light, the sun also produces infrared and ultraviolet radiation. Only a narrow waves or particles at different, from 380 nm to 750 nm, are covered by the visible portion of the electromagnetic spectrum.

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Therefore, a body of mass 5 kg held at a height of 10 m has a potential energy of 500 J.

An object's potential energy is its stored energy. This energy has the capacity to be productive. On Earth, this acceleration is equivalent to 10 meters per second. PE = mgh is the equation for potential energy resulting from gravity. The object's potential energy declines and its kinetic energy rises as it approaches the ground.

In this instance, a 5 kg body was maintained at a height of 10 m. As a result, the potential energy is represented as:

PE = mgh

PE = 500 J or 5 * 10 * 10.

PE = 500 J.

Therefore, a body of mass 5 kg held at a height of 10 m has a potential energy of 500 J.

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Answer: ABSOLUTE ZERO

Explanation:

The "means of disconnect" criterion (NEC 210.4b) for multi-wire branch circuits merely stipulates that there must be a method of disabling all legs simultaneously. Typically, the 2-pole (240v) circuit breaker in the panel serves as that, which is acceptable and satisfies the criteria.

What must be available to unplug every gadget from ungrounded conductors?

All ungrounded conductors in the panelboard where the branch circuit originates must have a way to be simultaneously disconnected, according to Section 210.4(B).

A multi-wire branch circuit is what?

NEC Article 100 states that a multiwire branch circuit is made up of a grounded conductor with an equal voltage between it and each ungrounded conductor, as well as two or more ungrounded conductors that have a voltage between them.

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Answer: c

Explanation:

I say "C" because we use technology to communicate over long distances instantly, so we have progressed in making rockets, shoes, health/high gene, etc.

          Technology is a branch of science which enables human life make easier with practical purposes. Technology improve human life in many way.  c,d ,e and f these all  improves human life by technology development.

Computers discovers new life to human life daily activities communication over the great distance , research and acess tons of information at fingertips. Computer has open source and cheap. Airplanes wipes the travel barrier for longer distance. We can travel longer distances with in hours.

Discovery of nearby galaxies gives lot of information about our galaxy shapes and nature of universe. One of best invention in human history is medical diagnostics, which enables human to detect diseases at early stages give better treatment to save life.

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Answer: Height of 60 feet when it has traveled 60 feet horizontally.

What is projectile Motion?

-- Projectile motion is a form of motion experienced by an object or particle that is projected in a gravitational field, such as from Earth's surface, and moves along a curved path under the action of gravity only

What is the equation that describes the shape of the parabola?

-- The following rule may be used to derive the equation of a quadratic function with vertex (h,k) as its focus:

y = a (x-h)^2 + k

After traveling 40 feet in a straight line, the projectile reaches its highest point at 74 feet in height. Since the vertex is located at (40, 74), we may deduce that h = 40 and k = 74.

When x and y are both equal to 18, the leading coefficient may be obtained by doing the following:

1600a + 74 = 18.

a = -0.035.

After the projectile completed a horizontal distance of 60 feet, denoted by the expression x = 60, the height was calculated as follows:

y = 60.

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The magnitude in simple way defined as "distance or quantity." In the sense of motion, it depicts the absolute or relative direction or size in which an object moves. It is used to describe the scope or size of something.

A quantity's magnitude is a number that indicates how large or small a measurement of that quantity is in comparison to a specified reference value (that reference value is most of the time taken to be zero). Magnitude is defined in physics as the maximum extent of size and direction of an object. Magnitude is simply a numerical value, whereas intensity conveys the concept of impact. In physics, it's generally refers to distance or quantity.

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If such an equation has been stated in the form axe + by + c=0, it must be considered to be a linear equation involving two variables.

A linear equation's slope-intercept formulation is y = mx + b. The variables inside the equation are x and y. The integers m and b represent the the slope of graphical line (m) as well as the value of y whenever x is 0 respectively (b).

Ax+By=C is the typical form expressing linear equations involving two variables. For example, 2x+3y=5 is a common linear equation.

To solve linear equations, discover the value of the variable which thus makes the equation true. Have used the inverse of said variable's multiplier and multiplied as well as divided both sides using it.

To obtain the variable value, simplify the result. Check ones answer by re-entering it into the equation.

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40 J is the kinetic energy of a mass of 5. 0 kg moving at 4. 0 m s.

Kinetic energy is the energy that an object possesses due to its motion. It is defined as the work required to accelerate an object of specified mass from rest to a specified velocity. After the body acquires this energy during acceleration, it retains this kinetic energy as long as the velocity does not change.

We know that kinetic energy =  mv²/ 2

So kinetic energy of given object = 5*4*4/2

                                                          = 40

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The maximum kinetic energy of a box sliding from the top of a ramp to the bottom is: at the bottom.

The energy of motion, or kinetic energy, may be seen in the movement of an item or subatomic particle. Kinetic energy can be discovered in every moving object and particle. Kinetic energy is generated when anything moving, such as a person walking, a baseball rising through the air, a piece of food dropping from a table, or a charged particle in an electric field. The object's squared velocity determines the kinetic energy. As a result, an object's kinetic energy quadruples when its velocity doubles. Kinetic energy is divided into five kinds radiative, thermal, sound, electrically, and mechanic.

Kinetic energy of an object can be expressed in terms of its mass m and velocity v as:

K.E = 1/2 × m × v²

Thus higher the velocity, greater will be the Kinetic energy. Now, as the box moves along a ramp from top to bottom, its velocity increases and so does the K.E.

Hence, kinetic energy is maximum at the bottom

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The complete question is as follows:

The maximum kinetic energy of a box sliding from the top of a ramp to the bottom is A) at the top. B) at the bottom. C) at the exact middle of the ramp D) stored equally within the box at all locations.

The mass of the second box car from the calculation is  22317 Kg.

We have to note that we can be able to obtain the momentum as the product of the mass and the velocity of the object that is to be studied. In the case of the cars that we have here;

The momentum before Collison = Momentum after collision

We would then have from the question;

(10300 * 19) + (M * 0) = (10300 + M) * 6

Let the mass of the second box car be M

Then;

195700 = 61800 + 6M

M = 22317 Kg

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Answer:

C

Explanation:

C is the usual case

The mole, also referred to as mol, is a SI unit used to measure the number of particles in a specific substance. One mole is composed of 6.022*10^23 atoms or other basic building components, such as molecules.

A mole is equal to 6.022 x 10^23 of a given substance (such as atoms, molecules, or ions). Utilize the mole concept to translate between mass and particle amount.

The number in a mole, or Avogadro's number, is influenced by the proportion between atomic mass units and grams. Compared to one hydrogen atom's mass, which is around one unit, a mole of hydrogen atoms weighs about one gram. The quantity 6.022 10^23 is known as "Avogadro's constant" or "Avogadro's number."

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8kgm/s is the change of momentum when a 1.0 kg ball traveling at 4.0 m/s strikes a wall and bounces back at 2.0 m/s.

The product of the mass and the change in the velocity can be explained as change in momentum. Δp is denoted as the change in momentum. We know that, the change in velocity which brings a change in momentum.

Change in momentum = mass× change in velocity

Initial velocity = 4m/s

Final velocity = -4m/s

Change in velocity = 4-(-4) = 8m/s

Change In momentum = 1×8 = 8kgm/s

Therefore, the change in momentum of the ball is 8kgm/s.

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The amount of work done to move a charge is 4 J.

The amount of work done to move a charge of 0.2 C through a distance of 2m at an angle of 60 with respect to the x axis is calculated as follows;

W = Fd cosθ

where;

W = (EQ) x d cosθ

where;

The amount of work done to move a charge is calculated as;

W = ( 20 x 0.2 0 x ( 2 ) x cos (60)

W = 4 J

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The rate of change of momentum equals the mass multiplied by the rate of change of velocity. Newton's Second Law may thus be recast as force = rate of change of momentum.

The change in momentum (p) of an object is defined as the change in the product of its mass and velocity. To modify the momentum of an item, a force is necessary. This applied force can change the direction of the item or enhance or reduce its momentum.

The rate of change (ROC) of anything relates to how rapidly it changes over time. It is therefore the speeding up or slowing down of changes.

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The average force exerted on the ball during the collision is 5.3 Newtons.

Force is a concept in physics that describes the interaction between two bodies. It is a vector quantity, meaning it has both a magnitude (amount of force) and a direction. Force can cause a change in an object's shape, speed, and direction of motion. Examples of forces include gravity, friction, tension, and electromagnetic forces. Forces can be used to push, pull, twist, and bend objects. Force is measured in newtons (N), and is the product of mass and acceleration. Force is an essential part of understanding the universe and how objects interact with each other.

Momentum is defined as mass multiplied by velocity,
and thus the initial momentum of the ball is 0.2 kg x 34 m/s = 6.8 kg m/s. After the collision, the momentum of the ball is 0.2 kg x 26 m/s = 5.2 kg m/s.
Thus, the change in momentum is 6.8 kg m/s - 5.2 kg m/s = 1.6 kg m/s.
The average force exerted on the ball during the collision can be calculated by dividing the change in momentum by the time of the collision:
Average force = 1.6 kg m/s / 0.3 s = 5.3 N.
This means that the average force exerted on the ball during the collision is 5.3 Newtons.

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A meter is the metric system's standard unit of length (m). One meter (m) is divided into 100 equal centimeters (cm).

The International System of Units, abbreviated SI in all languages and sometimes pneumatically as the SI system, is the modern version of the metric system and the world's most widely used measurement system. The SI is a coherent system of measurement that begins with seven base units: the second (symbol s, the unit of time), the metre (m, length), the kilogram (kg, mass), the ampere (A, electric current), the kelvin (K, thermodynamic temperature), the mole (mol, amount of substance), and the candela (cd, luminous intensity). These are widely accepted and followed around the world. The SI unit for mass is kilogram, the SI unit for length is meter, and the SI unit for time is second.

Here,

A meter is the standard unit of length in the metric system (m). One meter (m) is equal to 100 centimeters (cm).

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The magnitude isn't always 1. It's +ve or zero. A vector with a -ve sign in front of it has the same magnitude but is pointing in the opposite direction. The - sign is part of the magnitude, not the direction.

A "resultant vector," like all vectors, is neither positive nor negative. It has a magnitude (which is greater than zero) and a direction. Scalars are what "components" are. They are vector projections onto the x and y axes (or other axes). They are not magnitudes because the angle between the vector and the axes can be positive or negative (as you note). The direction of the projection along the axis is indicated by the + or - sign.

"Component vectors" are vectors that add up in the x and y directions to the given vector. They have magnitude and direction because they are vectors, but the only possible directions are +x/-x and +y/-y. They are not +ve or -ve because these terms have no meaning.

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The final velocity of the car 2 after the collision is 4.91 m/s to the left.

The final velocity of the car 2 after the collision is calculated by applying the principle of conservation of linear momentum.

m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂

where;

The final velocity of the car 2 after the collision is calculated as;

-(8 x 3.75) + (5.5 x 2 ) = (8 x 1) + 5.5v₂

-19 = 8 + 5.5v₂

-27 = 5.5v₂

v₂ = -27 / 5.5

v₂ = -4.91 m/s

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The mole, commonly known as mol, is a SI unit used to calculate how many particles are present in a given substance. 6.022*10^23( it's a standard value) atoms or other fundamental building blocks, such as molecules, make up one mole.

One mole of a given chemical is equivalent to 6.022 x 10^23. (such as atoms, molecules, or ions). The mole concept can be used to convert between mass and particle quantity.

The ratio of atomic mass units to grams affects Avogadro's number, or the number in a mole. A mole of hydrogen atoms weighs around one gram in comparison to one hydrogen atom's mass, which is approximately one unit. 6.022 10^23 is referred to as "Avogadro's constant" or "Avogadro's number."

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Generally low latency benefits the user because it provides real time closeness with least possible delays in transmitting data digitally, which means option C is correct.

Latency refers to the time lag which happens when a digital data is transferred from its origin location to the destination point. Low latency means that there will be less delay and this would mean the closeness between the digital speed and real time speed. High latency implies that there are many delays in data packet transmission. It is determined using the formula given below:

Latency = Propagation time = Distance to be covered / Propagation speed

Thus, low latency will enable quick processing and transfer of data across a network connection. It enables better online connection, calls and meetings.

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Refer to complete question below:

How does lower latency benefit the users connected to a network?

Relative dating is the process of determining the relative order of past events, without necessarily determining their absolute age. This is done by comparing the positions of different layers of rock and determining which layers are older or younger. For example, if rock layer A is on top of rock layer B, then rock layer A is younger than rock layer B.

Absolute dating, on the other hand, is the process of determining a specific date for an event or artifact. This is done through the use of methods such as radiocarbon dating or potassium-argon dating. These methods involve measuring the decay of certain isotopes and comparing them to known decay rates.

In a lab report, you would likely include a brief introduction to the concepts of relative and absolute dating, a description of the methods and materials used in the lab, a presentation of the data collected, and an analysis and interpretation of the results. You may also include a discussion of any limitations or sources of error in the methods used and a conclusion summarizing your findings.

The acceleration of gravity on the Moon is only one-sixth of that on Earth. If we hit a baseball on the moon with the same effort(and at the speed and angle)that we would on earth, the ball would land 6 times as far. The ball on the moon will cover 6 times more distance than Earth.

The force that pulls items toward the center of a planetary or other body is known as gravity. The gravitational pull maintains each of the planet in orbit about the sun. The degree to which a coordinate in space-time is invisibly bent determines the intensity of the gravitational "field" at any given place in space or time. Massive items tumble down these bends in the direction of one another. The stronger the attraction between items, the more matter there is, and the closer together things are. And unlike electricity and magnetism, which may either repel or attract, gravity always draws objects together.

Speed = distance travelled/Time required speed

Speed = d/t

Acceleration of gravity on earth=9.8 m/s²

Acceleration of gravity on Moon=1.62 m/s²

So the maximum height of ball will be the ration of these both gravity.

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