Was fired for ________ after it was determined he had been inflating his production reports each quarter.

Friction is a force caused by the contact of one surface on another: a. true

The Friction force is the force that opposes the displacement of an object or body on a contact surface. The greater the opposition the contact surface exerts on the displacement of an object, the greater the frictional force.

The general formula for the friction force is:

Fr = μ * N * Uv

Where:

It is the physical magnitude that expresses the effort necessary to move the mass of one kilogram with an acceleration of one meter per second squared, this is expressed in units of the international system in Newton.

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Materials whose constituent particles are bound by Vander waal's type of bond are generally expected to have the lowest melting temperatures

When two atoms are close enough to each other that their outer electron clouds just barely contact, van der Waals interactions take place. This causes charge oscillations that produce a unidirectional, nonspecific attraction.

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Measurement of molecule size using an oil drop experiment

The volume of a tiny oil drop is determined by finding its radius, or r. Now that the oil drop is on the water's surface, it spreads out into an approximately circular region with a height h and radius R. The patch's diameter is determined, and from there, the radius R is calculated.

Up until the oil forms a monolayer, the oil drop expands, pushing the powder aside to form a clean circle. The thickness of the monolayer, which is the height of the oil drop molecule on the water, can be calculated by measuring the area of the monolayer and dividing the volume of the drop by that area.

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The maximum elevation the rocket will reach is 160 m.

The maximum height reached by the rocket is calculated as follows;

h = vt + ¹/₂at²

where;

substitute the given parameters and solve for maximum height.

h = 0  +  ¹/₂(20)(4)²

h = 160 m

Thus, the maximum elevation the rocket will reach is 160 m.

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Measuring human impact and comparing it with the biophysical world's carrying capacity is known as Ecological footprint.

The Global Footprint Network promotes the ecological footprint as a way to assess how much nature is needed to sustain a certain number of people or an economy. Through an ecological accounting system, it monitors this demand. The accounts compare the biologically productive areas used by people for consumption to the biologically productive areas available in a region or throughout the world (biocapacity, the productive area that can regenerate what people demand from nature). It measures the effects of humans on the environment, to put it briefly.

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By using ideal gas approximation, the sun's temperature is 2.27 x 10⁷ K.

We need to know about ideal gas to solve this problem. The ideal gas will follow the rule

P . V = n . R . T

where P is pressure, V is volume, n is the amount of substance, R is the ideal gas constant (8.31 J/mol.K) and T is temperature.

From the question above, we know that:

Mr = 2 g/mol

ρ = 1.4 g/cm³

P = 1.3 x 10⁹ atm = 1.32 x 10¹⁴ Pa

m(sun) = 1989 x 10³⁰ g

Find the amount of sun substance

n = m / Mr

n = 1989 x 10³⁰ / 2

n = 994.5 x 10³⁰ mol

Find the volume of sun

V = m/ρ

V = 1989 x 10³⁰ / 1.4

V = 1420.71 x 10³⁰ cm³

V = 1.42 x 10²⁷ m³

By substituting the parameters, we get

P . V = n . R . T

1.32 x 10¹⁴ . 1.42 x 10²⁷ = 994.5 x 10³⁰ . 8.31 . T

T = 2.27 x 10⁷ K

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Some limitation of this two-dimensional model of electric fields are

Electric field is the electrical property associated with each point in space when charge in any form is present.

Three dimensional model must be used to find electric field of a particle as it is easy to understand and also provides clear visualization.

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Following the initial 4.0 seconds of travel, the cart moved 32m.

Physicists use equations of motion to describe how a physical system behaves in terms of how its motion changes over time.

The behavior of a physical system is described by the equations of motion in more detail as a collection of mathematical functions expressed in terms of dynamic variables. These variables typically comprise time and spatial coordinates, but they could also have momentum components. The most flexible option is generalized coordinates, which can be any useful variable that is a component of the physical system. In classical mechanics, the functions are defined in a Euclidean space, while curved spaces are used in relativity instead. The equations are the answers to the differential equations describing the motion of the dynamics of the dynamics of a system are known. The amount of motion changes according to the strength of the force and does so in the direction of the force's applied straight line.

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More iron could be found from the cores of the other terrestrial planets. Option A

Iron is one of the elements that could be found on earth. This element is present in abundant amounts in the earth's core and ranks as the fourth most abundant element in the core of the earth.

The earth has a lot more deposit of iron in it. We know that earth lies at the center of the solar system for the sole reason that it is habitable. No other planet in the solar system is habitable though efforts are underway to make the other planets equally habitable.

Iron can also be found in the cores of other terrestrial planets but the amounts may be less than the amount of iron that is found on earth. As such, If earth experienced an iron shortage, astronomers could direct cosmic mining equipment to the  cores of the other terrestrial planets find more.

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Answer:

The center of the retrograde motion occurs at the planet's opposition which is when it is exactly opposite the Sun.

Explanation:

The lowest possible value of the length

L1 = 0.25m

- Second lowest possible value

L2 = 0.45m

- Third lowest possible value

L3 = 0.75

Before calculating the length of the resonance tube, we have to first know the wavelength produced by the wave.

Using the expression

v = Foλ

V is the velocity of wave

Fo is the resonance frequency

λ is the wavelength

From the formula,

λ = v/Fo

λ = 343/680

λ = 0.50m

For an open pipe, the first resonant length L1 = λ/2

Second resonant length L2= λ

Third resonant length L3 = 3λ/2

The lowest possible value of the length L1 = 0.50/2

L1 = 0.25m

Second lowest possible value

L2 = 0.50m

Third lowest possible value

L3 = 3(0.50)/2

L3 = 0.75m

Hence, for values of 0.25,0.50 and 0.75, the tube resonates with the speaker.

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The average speed of the space shuttled in miles per second is 5 miles.

The Space Transport is a resigned, to some degree reusable low Earth orbital rocket framework worked from 1981 to 2011 by the U.S. Public Flying and Space Organization as a feature of the Space Transport program. It's true program name was Space Transportation Framework, taken from a 1969 arrangement for an arrangement of reusable rocket where it was the main thing financed for improvement. A completely collected transport is 184 feet tall and weighs 4,500,000 pounds. The cove is 15 feet in breadth and 60 feet in length; sufficiently enormous to fit a school transport or 50,000 pounds of payload. The bus's speed on circle is around 17,500 mph. The bus has three primary components, the orbiter, the twin strong rocket sponsors and the outer tank.

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The tension developed in the cable is 245.25 N.

In physics, tension is defined as the pulling force transmitted axially by a string, cable, chain, or other similar object, or by either end of a rod, truss member, or other comparable three-dimensional object.

Tension can also be thought of as the action-reaction pair of forces acting at each end of the aforementioned elements. The polar opposite of compression might be tension.

Only two forces act on the traffic light: the tension T of the cable (upward) and the weight of the traffic light (downward).

The weight is mg = 25 x 9.81 = 245.25 N

If the traffic light is at equilibrium, the resultant of the two forces must be equal to zero (Newton's second law):

T - mg = 0

Therefore, the tension of the cable is.

T = mg = 245.25 N

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A laser emits light with a frequency of 5.69 x 10^14 s-1 then the energy of one photon of the radiation from this laser is 3.7 x 10^(-19).

The energy emission in the form of electromagnetic waves or in the form of moving subatomic particles which are especially high-energy particles which cause ionization is called as the phenomenon of radiation.

Any kind of energy that emanates from a source and moves through space at the speed of light is referred to as radiation. This energy has wave-like qualities and is accompanied by an electric field and a magnetic field.

Here ∨ = 5.69 x 10^(14) s-1

we know E=h∨

where h = 6.626 x 10^(-34) js

putting the value in the formula, we have,

6.626 x 10^(-34)  x 5.69 x 10^(-34)

=3.7 x 10^(-19)

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When an object approaches the speed of light then the he objects mass become infinite.

Einstein theory of relativity is actually fairly simple. It is based on two very simple ideas.

relativity describes the situation when.

in these cases Newtonian theory does not work.

But when the speed are much slower than light. And gravity is not too strong. At that point relativity and Newtonian theory are exactly the same.

the mass of an object becomes infinite as the object approaches the speed of light .

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The maximum flame temperature in a fire is 1500-1600K due to radiation and absorption.

In physics, matter (usually electrons bound in atoms) absorbs electromagnetic radiation in order to convert the energy of a photon into the internal energy of the absorber (for example, thermal energy). Attenuation, or the steady decrease in light wave intensity as it travels through a medium, is a prominent effect. In some circumstances (optics), the medium's transparency changes by a factor that varies as a function of wave intensity, leading to saturable absorption (or nonlinear absorption), even though the absorption of waves typically does not depend on their intensity (linear absorption).

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The 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called constellations.

A constellation is a group of stars that make an imaginary shape in the night sky.

They are usually named after mythological characters, people, animals and objects

Astronomers divided the entire sky into 88 sectors, or constellations; this international system codifies the naming of stars and star patterns that began in prehistoric times.

Thus, the 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called constellations.

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A measure of how quickly a conductor moves across a field. The voltage induced increased as the conductor moved through the field more quickly. The induced voltage and speed are directly inversely proportional.

Current can only flow when a circuit is closed or complete, hence, unless the circuit is completed current will not flow

What is Electro-Magnetic Induction?

This a phenomenon whereby a wound wire or a soft core of conductor made to cut across magnetic line of force and an E.M.F is generated, this E.M.F forces current to flow if the circuit is completed.

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Answer:

the answer should be field.

A solution is prepared by adding 1.43 mol of KCL to 889 g of water. The concentration of KCL is 1.61 molal.

Molar concentration, also known as molarity, quantity concentration, or substance concentration, is a unit used to describe the amount of a substance in a solution expressed as a percentage of its volume.

The number of moles per liter, denoted by the unit symbol mol/L or mol/dm3 in SI units, is the most often used unit denoting molarity in chemistry. One mol/L of a solution’s concentration is referred to as one molar or 1 M.

Mol of Kcl (potassium chloride) = 1.43

water = 889 g = 0.889kg

Molality = Moles of solute/kilograms of solvent

So, it comes as m = 1.43/0.889 = 1.61 molal

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Pressure above the left beaker the pressure outcome of the current experimental circumstances.

Either the action of pressing or the state of pressing. A strain or force exerted against resistance in any direction. Force per unit of area is a measure of force exerted uniformly over a surface.

Pressure is the ratio of the force applied perpendicularly to an object's surface to its area. Its abbreviation is "p" or "P."

The force applied by one region of a gas, liquid, or solid to another, expressed as a function of area. A substance is said to have negative pressure if another substance exerts greater force per unit area on it than it does on it. Pressure is commonly measured in Pascal units, atmospheres, or pounds per square inch. Its value is just the opposite of the pressure the other substance is exerting.

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Water is the only substance that is naturally present near the surface of the planet in the current atmosphere as a solid, liquid, and a gas.

The gaseous mixture that covers the planet is its atmosphere. The Earth's atmosphere contributes to the viability of life. In addition to giving us air to breathe, it protects us from the majority of the Sun's harmful ultraviolet (UV) radiation, increases the surface temperature of our planet by around 33° C (59° F) due to the greenhouse effect, and mainly eliminates dramatic temperature variations between day and night. There is an atmosphere on each of the other planets in our solar system, but none of them has the same proportion of gasses or layered structure as Earth's atmosphere.

The most prevalent elements are nitrogen and oxygen, which make up about 78% of dry air (N2) and about 21% of it, respectively (O2). Argon, carbon dioxide (CO2), and numerous other gases are also present in the atmosphere, although at considerably smaller concentrations; each makes up less than 1% of the total gas mixture. Water vapor is also present in the atmosphere. Water vapor is present, but its usual concentration is only about 1%. Additionally, there are a lot of tiny liquids and solids "floating" in the atmosphere. The term "aerosols" refers to a group of particles that also includes dust, pollen, spores, salt from sea spray, volcanic ash, smoke, and other substances.

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Answer:

C. Mass and volume

Explanation:

All three chemical elements found on the periodic table will for sure have which of these two characteristics: C. mass and volume.

Periodic table can be defined as an organized tabular array of all the chemical elements arranged in order of increasing atomic number (number of protons), in rows.

A chemical element can be defined as a pure substance that comprises atoms having the same atomic number (number of protons) in its nuclei and as such, it is the primary constituent of matter. Also, a common characteristics for all chemical elements found on the periodic table is mass and volume.

In Chemistry, some examples of a chemical element include the following:

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Complete Question:

A student is asked to describe three random elements found on the periodic table. All three elements will FOR SURE have which of the two following characteristics?

A. similar color and texture

B. shininess and value

C. mass and volume

D. similar boiling and freezing points

The angle to find the magnitude of the resultant force of two vectors 90 DEG.

Greatness by and large alludes to the amount or distance. According to the development, we can associate extent with the size and speed of the article while voyaging. The size of the item or the sum is its greatness. Like in the event of speed, a vehicle is voyaging quicker than a motorbike. Size alludes to the evaluating of the splendor of stars, the first being the most brilliant. It has been moved to different issues since basically the seventeenth century. Magnitude for the most part alludes to the amount or distance. Corresponding to the development, we can connect greatness with the size and speed of the item while voyaging. The size of the item or the sum is its greatness. Like in the event of speed, a vehicle is voyaging quicker than a motorbike.

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The algebraic expression for the electric field for a point

We know that,

Φ = Q / ε[tex]_{0}[/tex]

Φ = EA

Q = σ A

where,

Φ = Electric flux

Q = Total charge

ε[tex]_{0}[/tex] = Electric constant

σ = Surface charge density

A = Area

Area of cylinder = 2 π R l

where,

R = Radius of cylinder

l = Length of cylinder

To calculate electric field at a point outside the cylinder, a gaussian surface is considered outside the cylinder with a radius r ( > R ) and length l. The flux on Gaussian cylinder is equal to the charge on surface of the cylinder.

Q = σ 2 π R l

The electric flux on the surface of cylinder is

Φ = σ 2 π R l / ε[tex]_{0}[/tex]

The electric flux on the Gaussian cylinder is

Φ = E 2 π r l

On equating both,

σ 2 π R l / ε[tex]_{0}[/tex] = E 2 π r l

E = σ R / ε[tex]_{0}[/tex] r

This is the equation for electric field at a point outside the cylinder.

To calculate electric field at a point inside the cylinder, a gaussian surface is considered inside the cylinder with a radius r ( < R ) and length l.

E 2 π r l = 0 ( Since there is no flux created inside a closed cylinder )

E = 0

This is the equation for electric field at a point inside the cylinder.

Gauss law states that the total flux outside a closed surface is directly proportional to net charge enclosed by the surface.

Therefore, the algebraic expression for the electric field for a point

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The correct option is (b) 5n

As a result, there is a net downward force of 5N operating on the object.

The resultant force is the force that results from adding the vector sums of all the forces operating on an item. The combined action of all the acting forces on the object produces the same effect as the resulting force. When determining the resulting force, the direction of the forces must be taken into account.

Given;

The northward force is Fn = 10N

The southward force is Fs = 15N

Required;

The net force on the mobile phone is Fnet = ?N

The object's weight exerts downward pressure, and upward resistance exerts upward pressure. The vector sum of these two forces will be the net force.

Fnet = Fs - Fn (Considering the direction downward as positive)

Fnet= 15N - 10N

Fnet = 5N

As a result, there is a net downward force of 5 N operating on the object.

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