Amazon delivery boxes are launched from a horizontal conveyor belt moving at a rate of 3 m/s into bins for shipping. If the surface of the conveyor belt is 1.4 m off the ground, what is the range of each Amazon box?


Show some work

Answer:

11760 kg / (m-s^2)

Explanation:

Just do the units FIRST

kg    m   m

m^3  s^2  1      

     now you can see that the two m's in the top cancel two m's in the denominator and you are left with

kg/ (m-s^2)   as units        

Now do the numbers

1000 * 9.8 * 1.2 = 11760

so answer is   11 760  kg / (m-s^2)  

Let g be a group An element of G is called Idempotent if g² = g.

(1)Show that every group has atleast one idempotent element.

Proof: Let G be a group and we know that every group has identity element let e G be a identity element

since e²=e

this shows that e is the idempotent element in G

Hence every group has atleast one idempotent element which is the identity element.

(2) Shows that group has at exactly one idempotent element.

Proof: Let G be a group Now by Part 1 we see that every group has e is the idempotent element.

Now let g∈G be idempotent element other than identity element.

since g is Idempotent.

g²=g

g.g=g

g.g=g.e   i.e. (g.e=g)

By left cancellation law we get

g = e

Thus e is the only Idempotent element is G.

hence Every group has at exactly Idempotent Element.

Any of more than 100 chemicals that cannot be divided into various substances using common chemical methods Elements include gold and carbon. There is a risk component to surfing  one of the constituent pieces of something.  The fundamentals of arithmetic, which are a subject of study.

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When the road and weather are ideal, the three-second rule is advised for passenger cars. When driving in bad weather or when visibility is poor, slow down even more and widen your following space. If you are operating a bigger vehicle or pulling a trailer, you should also widen your following distance.

Distance is a measure of how far away two objects or locations are using numbers. Distance can refer to a physical length in physics or to an estimate based on other factors in ordinary language (e.g. "two counties over"). It is occasionally used to indicate the distance between two points[tex]{\displaystyle |AB|}|AB|[/tex]. The terms "distance from A to B" and "distance from B to A" are frequently used interchangeably. A distance function or metric is a technique to describe what it means for components of a space to be "near to" or "far away" from each other in mathematics. It is an extension of the idea of physical distance.

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The correct answer is centrifuge.

Your complete blood is drawn out during an apheresis procedure, which is used to donate platelets. Your blood is spun in a centrifuge to separate your plasma, platelets, and red blood cells. As the blood is divided, the heavier reds cells drop to the bottom and are given back to you.

Between the liquid plasma and the platelets that are tracked into a small pouch that is wrapped around the centrifuge cylinder as the liquid plasma rises. When you donate blood, your spleen releases stockpiled platelets into your bloodstream in an effort to stop the bleeding.

As a result, more platelets and plasma are collected, enabling you to donate one, two, or even three doses of platelets in a single visit. Your healthy bone marrow quickly starts producing additional platelets from stem cells to replace those that have been given while this is happening.

Since only one donor is used for the donation, platelet donors are able to provide patients with a greater amount and higher-quality platelets to aid in their fight for survival.

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In the canopies of tropical forests, plants are able to survive despite the high temperatures and high levels of solar radiation due to the process of Transpiration.

Most of the water absorbed by roots of water is not used for growth of plant but to maintain a moisturized environment. For this purpose water is evaporated as vapour from stoma on the underside of leaves.

This process is called transpiration. Transpiration is the evaporation of water from plants. This cools down plants under hot conditions. This process also pulls water from stems and roots to leaves to hydrate mesophyll cells.

Therefore, In the canopies of tropical forests, plants are able to survive despite the high temperatures and high levels of solar radiation due to the process of Transpiration.

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According to the net force, the acceleration of the book is 16.47 m/s².

We need to know about force to solve this problem. According to second Newton's Law, the force applied to an object will be proportional to mass and acceleration. Hence, it can be written as

∑F = m . a

where F is force, m is mass and a is acceleration

From the question above, we know that

m = 3 kg

g = 9.8 m/s²

F1 = 20 N

Find the net force

∑F = F1 + W

∑F = 20 + m . g

∑F = 20 + 3 . 9.8

∑F = 20 + 29.4

∑F = 49.4 N

Find the acceleration

∑F = m . a

49.4 = 3 . a

a = 16.47 m/s²

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The equation can be used to obtain the weight as 40N.

In this problem, we are asked to obtain the equations and thus the problems as shown. We shall now proceed to use the equations are required.

1) W = mg

W = weight

m = mass

g = acceleration due to gravity

W = 4 Kg * 10 m/s^2 = 40 N

2) v = u + at

v = final speed

u = initial speed

a = acceleration

t = time

3 = 0 + 2a

3 == 2a

a = 1.5 m/s^2

3) v = d/t

v = speed

d = distance

t = time

v = 15 m/30 s = 0.5 m/s

4) W = fd

W = work

f = force

d = distance

W = 25 N * 8 m = 200 J

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Wavelength of radiation must be used to eject electrons with a velocity of 2300 km/s is 63.9nm.

Einstein's equation for the photoelectric effect

hv = A + W

Where,

Energy of photon : E = hvx = hxc/λ

The work function for chromium is A

Planck's constant h= 6.626X 10⁻³⁴ Js

speed of light c = 2.998X10⁸ m/s

Velocity of 2300 km/s = 2300 X 10⁶ m/s

The kinetic energy of emitted electron

W = mv²/2 = (9.10939 X 10⁻³¹ kg X (2300X10⁶ m/s)²)/2 = 2.409X10⁻¹⁸

Hence,

    λ = ch/A+W

λ = (6.626X10⁻³⁴JsX2.998X10⁸m/s)/(7X10⁻¹⁹J + 2.409X10⁻¹⁸J)

  = 19.865X10²⁶Jm/3.109X10⁻¹⁸J = 6.39X10⁻⁸= 63.9 nm

Wavelength of radiation must be used to eject electrons with a velocity of 2300 km/s is 63.9nm

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I understand that the question you are looking for is "The work function for chromium metal is 7.0 x 10-19 J (4.37 eV). What wavelength of radiation must be used to eject electrons with a velocity of 2300 km/s?"

A car goes through a circular highway ramp while maintaining constant speed. The correct statement is the velocity of the car is zero.

This is defined as the rate of change of distance with time and is a vector quantity which measures both the rate and the direction of the motion.

A car maintaining constant speed means that distance covered is also 0m and the formula for velocity is distance / time.

This therefore means that velocity = 0m / 5s where time can be any digit.

This will result in the velocity being zero which is therefore the reason why it was chosen as the correct choice.

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When a patient go on a diet, he or she will lose both the mass and weight.

Mass is the quantity of an object while weight is the gravitational pull on an object. Mass is constant while weight is not. The unit of mass is Kg while weight is Newton.

Suppose a doctor advises a patient to go on a diet. Will the patient lose mass in the process or will he/she lose weight?

When a patient is on diet, he or she will deprive himself of certain nutrition that can nourish the body. Some of the masses of the body will be converted to energy thereby causing less fat in the body, decrease in body fluid and muscle mass.

Since Weight W = mg, decrease in body mass will eventually lead to weight loss.

Therefore, when a patient go on a diet, he or she will lose both the mass and weight.

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The reason why voltage across the inductor and capacitor can have higher magnitudes than that of input source voltage is because of electrical energy's oscillation between magnetic and electric field.

When current passes through an inductor a magnetic field is produced and the collapsing magnetic field produced by the inductor charges the capacitor. This process repeats itself causing the electrical energy to oscillate between magnetic and electric field. Because of this oscillation, at resonance, voltage across the inductor and capacitor can be greater than the input voltage.

For a RLC circuit,

[tex]V_{s}[/tex] = [tex]\sqrt[]{V_{R}^{2} + (V_{L} - V_{C})^{2} }[/tex]

where,

[tex]V_{R}[/tex] = Voltage across the Resistor

[tex]V_{L}[/tex] = Voltage across the inductor

[tex]V_{C}[/tex] = Voltage across the capacitor

At resonance,

[tex]V_{L}[/tex] = [tex]V_{C}[/tex]

Therefore, the reason why voltage across the inductor and capacitor can have higher magnitudes than that of input source voltage is because of electrical energy's oscillation between magnetic and electric field.

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Cells can be observed under a brightfield microscope as translucent objects against a vivid background.

Objects that are translucent allow some light to pass through them. Translucent materials include certain polymers and frosted glass. Only a portion of the light that strikes transparent materials goes through. It takes the materials some time for the light to flow through them. Waxed paper, thin plastic sheets, butter paper, and vegetable oil are a few examples of translucent materials. This mnemonic should help you remember when to use transparent because transparent objects are clear and light may readily pass through them. The thing would be translucent if light still enters it, but it is less noticeable. An opaque object is one through which no light can flow.

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The term “electric field” refers to the physical field that surrounds electrically charged particles and acts to either attract or repel all other charged particles in the field (also known as an E-field).

It can also refer to the physical field surrounding a system of charged particles. Electric fields are composed of electric charges and time-varying electric currents.

Both electric and magnetic fields are manifestations of the electromagnetic field, one of the four fundamental interactions (sometimes known as forces) of nature.

Electrical technology makes use of electric fields, which are significant in many branches of physics.

For instance, in atomic physics and chemistry, the electric field acts as an attractive force to hold atoms’ atomic nuclei and electrons together. It is also the force that causes atoms to chemically link together to form molecules.

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The earth is an open system for energy. Sunlight should be added to the pyramids to make them correct.

A system that is in touch with its surroundings or the external environment through the exchange of energy, matter, and materials is called an open system.

In an open system, the energy and matter flow in and out of the boundaries of the system. Earth is a perfect example of the open system as it is in contact with its surroundings.

The exchange between materials such as energy and information takes place in such a system.

The stove top is an example of an open system because in this system the exchange of both heat and moisture occurs with the surrounding. On the other hand, in a closed system, only energy is exchanged.

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Magnitude charge creates electric field at a point 3.40m away is 4.11×1⁻⁹C

Electric field - It is defined as electric force per unit charge.

The direction of field is taken to be the direction of the force.

The electric field is outward from a positive charge and in towards negative point charge.

To calculate magnitude charge. Let us take electric field

E = Kq/r²

where

K = electric field constant

q = magnitude of charge

r = distance of separation

E = Kq/r²

Er² = Kq

q = Er²/K     -------1.

given values are

E =3.20 n/c

r = 3.40 m

q = 9.0 × 10⁹

using these values in equation 1 we get

q =  3.20N/C * (3.40 m)^2/9.0 × 10⁹

q = 4.11×1⁻⁹C

Magnitude charge that creates electric field at a point 3.40m away is 4.11×1⁻⁹C.

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The depiction of changing chemical compounds that best describes the flow of nitrogen from the atmosphere, through the nitrogen cycle, and back into the atmosphere is N2 → NH4+ → NO3- → N2

Ammonification: The formation of ammonia or its compounds from nitrogenous compounds, especially as a result of bacterial decomposition. It is given by this equation: N2 → NH4+

Nitrification: The biological oxidation of ammonia with oxygen into nitrite followed by the oxidation of these nitrites into nitrates. It is given by this equation: NH4+ → NO3-

De-nitrification: A microbially facilitated process of nitrate reduction that may ultimately produce molecular nitrogen (N2) through a series of intermediate gaseous nitrogen oxide products.

NO3- → N2

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The component form is [tex]5/2 [\sqrt{2} /2,0,\sqrt{2}/2], 5/2 [-\sqrt{2} /2,0,\sqrt{2}/2][/tex].

If vv lies in the xz-plane then yy coordinate is 0.

We can have two scenarios: when vv lies in front of yz-plane and when vv lies behind yz-plane.

If vv lies in front of yz plane, then v=5×[tex][\sqrt{2} /2,0,\sqrt{2}/2][/tex]

If vv lies behind yz-plane then v=[tex][-\sqrt{2} /2,0,\sqrt{2}/2][/tex]

A linear combination of vectors with potentially unknowable coefficients makes up a vector equation. It is the same as asking if a given vector is a linear combination of some other provided vectors to determine whether or not a vector equation has a solution.

The vector equation's components, x = x0 + at, y = y0 + bt, and z = z0 + ct, are the line's parametric equations. The direction numbers of the line are the three elements a, b, and c.

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Copernicus measurements of the orbital radii of six of the planets were very accurate compared to our modern values.

Nicolaus Copernicus created the Copernican heliocentrism astronomical theory, which was first presented in print in 1543. This theory put the Sun in the centre of the cosmos, stationary, and had Earth and the other planets orbit it at uniform speeds in circular orbits modified by epicycles. The geocentric Ptolemaic paradigm, which put Earth at the centre of the cosmos for ages, was replaced by the Copernican model.

Although he had shared a draught of his own heliocentric theory with peers before 1514, he did not choose to publish it until after being persuaded to do so by his student Rheticus.

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The electric field strength  = 1104.31 N/C

When charged particles, including electrons, are accelerated, an electromagnetic field, also known as an EM field, is created. Electric fields surround all electrically charged particles. Particles in motion generate magnetic fields.

Electromagnetic fields can be found throughout our environment yet are undetectable to the  eye. Electric fields are created by the local accumulation of electric charges inside the atmosphere caused by thunderstorms.

diameter of rings, d = 10 cm

Distance between the rings, r = 18 cm

Charge of the rings, q = 40 nc

The electromagnetic field strength at the rings' midway is computed as follows:

E[tex]_n_e_t[/tex] = E₁ - E₂

E[tex]_n_e_t[/tex] = E₁(₊ve) - E₂(-ve)

The strength of the electric field at the center of a left ring is computed as follows;

[tex]E=\frac{k q L}{\left(R^2+L^2\right)^{3 / 2}}\\[/tex]

E = [tex]E=\frac{9 \times 10^9 \times 20 \times 10^{-9} \times 0.18}{\left(0.05^2+0.18^2\right)^{3 / 2}}[/tex]

E = 1104.31 N/C

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In an inductive circuit with an uncorrected power factor of 40 percent to 60 percent, the power factor can be corrected to within 5 percent of unity by the addition of a(n) capacitor.

A capacitor is a gadget that stores electrical energy in an electric field. It is an inactive electronic part with two terminals. The impact of a capacitor is known as capacitance. A capacitor is a gadget that stores electrical energy in an electric field. It is an uninvolved electronic part with two terminals. The impact of a capacitor is known as capacitance. While some capacitance exists between any two electrical conduits in closeness in a circuit, a capacitor is a part intended to add capacitance to a circuit. The capacitor was initially known as a condenser or compensator. This name and its cognates are still generally utilized in numerous dialects, yet seldom in English, one eminent exemption being condenser mouthpieces, likewise called capacitor receivers.

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The furthest distance the quarterback could throw the ball neglecting air resistance is 81.63 meters.

The situation given above is an example of projectile motion.

The maximum distance up to which a projectile can be thrown is known as its range, which is given by the formula,

Range(R) = 2u^2 sin(2θ)/g

Here u is the maximum velocity of the projectile= 20 m/s

θ is the angle at which the projectile is launched = 45°

g is the acceleration due to gravity = 9.8 m/s^2

Putting the above values in the given equation,

The range comes out to be 81.63 meters.

Hence, the furthest distance the quarterback could throw the ball neglecting air resistance is 81.63 meters.

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Yes, the energy transmission is increased by an object's mass.

When two objects come into touch, they collide. When two items collide, energy is transferred from one thing to the other. Energy is the power to perform tasks (or in more simple terms: energy makes things happen). Any two items that are acting in response to one another create a pair of forces that are of the same size but acting in the opposite direction.

The amount of energy exchanged during a collision depends on the weight and speed of the moving object; bigger objects carry more energy. This explains why truck collisions cause such severe automotive damage. In a collision, the energy carried by the large truck is transferred to the lighter vehicle.

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The kinetic energy of a he2 ion released from rest and accelerated through a potential difference of 2.5 is 4.32J.

In material science, the motor energy of an article is the energy that it has because of its movement. It is characterized as the need might have arisen to speed up a body of a given mass from rest to its expressed speed. Having acquired this energy during its speed increase, the body keeps up with this dynamic energy except if its speed changes. A similar measure of work is finished by the body while decelerating from its ongoing pace to a condition of rest. At the point when work is finished on an item, energy is moved, and the article moves with another steady speed. We call the energy that is moved motor energy, and it relies upon the mass and speed accomplished. Active energy of an item is the proportion of the work an article can do by uprightness of its movement.

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Rotation curves for spiral galaxies show (C) most have dark halos since It appears that spiral galaxies are encased in the substantial dark matter "halos".

Abstract The main method for ascertaining the mass distribution in spiral galaxies is to analyse the rotation curves of spiral galaxies. They offer vital knowledge for comprehending spiral galaxies' dynamics, evolution, and creation. This substance, which has mass but emits no light, is referred to as "dark matter." The dispersion of dark matter appears to extend much beyond the host galaxy's borders, according to the rotation curves of satellite galaxies.

Rotation curves are used by astronomers to calculate the masses of specific spiral galaxies. There is more mass between the stars and the galactic centre the quicker the stars orbit the galaxy's centre.

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Displacement is the change in position of an object. Displacement is a vector quantity.

As for the given options, option (a) is the definition of Force. Option (b) is the definition of velocity. Option (d) is the definition of motion. Displacement is the shortest distance between initial point and final point whereas distance is the total distance covered from initial point to final point.

Since displacement is a measure of length, its unit is usually meter. It is denoted as Δx. The formula for calculating displacement is Δx = [tex]x_{2}[/tex] - [tex]x_{1}[/tex], where [tex]x_{2}[/tex] is the final position and [tex]x_{1}[/tex] is the initial position.

Therefore, Displacement is the change in position of an object.

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An good example would be using a Bunsen burner to heat water in a tin container. The flame initially heats the tin can by radiating heat. Conduction then transfers heat from the tin can to the water. The convection process causes the hot water to then climb to the top.

A laboratory piece of equipment known as a Bunsen burner, which bears Robert Bunsen's name, produces a single open gas flame and is used for heating, sterilization, and combustion. Natural gas, liquefied petroleum gas, such as propane, butane, or a combination, are all acceptable choices for the gas.

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a) mass of object with acceleration 32.5 ft/sec2 is 116 kg

b) mass of object with acceleration 7.86 m/sec2 is 146 kg

Given:

Force = 1.15 x 10^3 N

Acceleration = a) 32.5 ft/sec2 b) 7.86 m/sec2

Solution: The definition of force in physics is: The push or pull on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude.

Force = mass x acceleration

mass(a) = Force/Acceleration

= 1.15 x 10^3 N/32.5 ft/sec2 x 3.2808 ft/m = 116 kg

mass(b) = 1.15 x 10^3 N/7.86 m/sec2 = 146 kg

Hence, mass of object with acceleration 32.5 ft/sec2 is 116 kg

Hence, mass of object with acceleration 7.86 m/sec2 is 146 kg

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From the options provided in the question, the measurement which is not an SI base unit is volume.

This is referred to as the standard and fundamental unit of measurement of various quantities or variables which is defined arbitrarily and not by combinations of other units.

Volume is a quantity which is derived from the combination of lengths in a  three-dimensional manner which is why the formula is length× breadth×height and the unit is cm³. This is gotten from the combination of the unit of length which is cm.

This is therefore the reason why volume was chosen as the most appropriate choice.

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