A team of engineers is doing a cost-benefit analysis to determine whether
they should develop new technology. What are two risks to human health they
should include in their analysis?

The Rock cycle is a model that describes the formation degradation, and regeneration of rocks as a result of sedimentation magma, and metamorphism. All rocks are made of minerals.

Rock circulation is the process by which rocks change continuously between three types igneous sedimentary and metamorphic. The three processes that transform one rock into another are crystallization, metamorphism erosion, and sedimentation. Any rock can be transformed into another rock by undergoing one or more of these processes. This creates a lock cycle.

Rock circulation is a fundamental concept that describes the transition between three rock types metamorphic igneous, and sedimentary rocks. Simply put it is a set of processes that create and transform rock types within the Earth's crust. Rock cycling by definition is the natural process by which sedimentary igneous, and metamorphic rocks are formed, transformed from one type to another, and destroyed.

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The value of the constant K in the temperature equation is 32.

The given parameters:

The value of K for which the value of the temperature at 40 degrees Celsius corresponds to 104 degrees Fahrenheit is calculated as follows;

\(F(C) = \frac{9}{5} C \ + \ K \\\\104 = \frac{9}{5} (40) \ + \ K\\\\104 = 72 \ + \ K\\\\104 - 72 = K\\\\32 = K\)

Thus, the value of the constant K in the temperature equation is 32.

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Answer:

Hamid

Explanation:

I got it right on my test

Solving ground speed trig problems using the law of sines and law of cosines involves applying these trigonometric principles to find the unknown angles or sides in a given triangle.

The law of sines states that the ratio of a side of a triangle to the sine of its opposite angle is the same for all three sides.

It is represented as (a/sin(A)) = (b/sin(B)) = (c/sin(C)). The law of cosines states that for any triangle with sides a, b, and c, and angles A, B, and C, the equation a^2 = b^2 + c^2 - 2bc*cos(A) holds true.

Both of these laws are commonly used to solve ground speed problems in aviation and other fields.

Summary: To solve ground speed trig problems, you can use the law of sines and law of cosines to find unknown angles or sides in a triangle, which can help you determine ground speed, wind speed, and other relevant information.

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Answer:

975 m/s^2

Explanation:

The formula for rate of acceleration is

(Final velocity - intial velocity)/ time taken

If you plug in your data you will get 975 m/s^2

(1600 m/s -1210 m/s )/.4 s = 975 m^2

Answer:

Rubbing his hand and ironing is Mechanical Energy being transformed into Thermal Energy.

Throwing a rock vertically in using Kinetic Energy, it then transforms into Gravitational Energy as the rock falls.

Explanation:

First, as Kwane rubbing his and and iron his clothes using the energy to create heat, that is thermal being transformed.

The rock being thrown uses kinetic energy and due to graviational force of the earth, it is being transformed into Potential Gravitational Energy.

Answer:

the answers are "mass" and "distance"

Explanation:

hope this helps, plz mark brainiest :)

It is correctly interpreted as the Gravitational redshift .

Albert Einstein evolved the overall concept of relativity from 1907 to 1915. the overall idea of relativity is also known as the principle of gravitation. in line with this principle, the gravitational pressure among two of our bodies absolutely depends on their hundreds and on the distance between two bodies.

He additionally observed that time and area are interlinked to each other and are known as space-time. Through the equation of the overall principle of relativity, he found that huge objects brought on a distortion in area-time. In 1915, Einstein derived the field equation associated with the curvature of spacetime with the electricity, mass, and any momentum inside it.

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Answer:

current

Explanation:

see picture..

currently

The LED uses less current as compared to the other bulb like CFL and tungsten bulbs so, Use of LEDs for lighting is increasing because they use a much smaller current than other types of lighting.

In electronics, an LED, or complete light-emitting diode, is a semiconductor device that, when charged by an electric current, generates visible or infrared light.

Visible LEDs are utilized as indicator lamps in several electronic gadgets, as brake and rear-window lights in cars, and as alphanumeric displays or even full-color posters on billboards and signs. Autofocus cameras, television remote controls, and fiber-optic telecommunication systems all use infrared LEDs as light sources.

LED light bulbs are more energy-efficient and durable than CFL or Incandescent light bulbs since they require a lot less wattage.

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Answer:

chemical change

Explanation:

Answer:

For the first one its about 25 feet

Explanation:

Answer:

1~6ft.

2~ 10

3~ Echo

4~ A photo shoot

5~ talk

6~ nose

7~tent

8~popcorn

Explanation:

               </3 PureBeauty

Answer: 25.1m

Explanation:

The expression of the initial potential energy when the ball is tossed upwards is given as followed

\(PE_{i}\)=mg\(PE_{i}= mgh_{0}\)

Here, m is the mass of the ball, g is the acceleration due to gravity and is the initial height.

The initial kinetic energy of the ball is:

\(KE_{i} =\frac{1}{2}mv^2\)

The final potential energy of the ball at the maximum height is given as:

\(PE_{f}=mgh_{max}\)

The final kinetic energy is at the maximum height is:

\(KE_{f} =0\)

Now you will use the conservation of energy princi\(h_{0}\)ple and substitute the equations into the expression below:

\(KE_{i}+PE_i=KE_f+PE_f\)

\(\frac{1}{2}mv^2+mgh_0=0+mgh_{max}\)

\(h_{max}=h_0+\frac{v^2}{2g}\)

Now substitute 9.81 m/\(s^{2}\) for g, 10m/s for v, and 20.0 m for \(h_{0}\) in the equation above.

h\(_{max}}=(20.0m)+\frac{(10m/s)^2}{2(9.81m/s^2}\)

which is equal to 25.1m

Answer:

Efficiency: 0.4 (40%)

Explanation:

The efficiency of a simple machine is given by the ratio

n = w¹/w²

where

w² is the input work of the machine

w¹ is the output work of the machine

For the machine in this problem, we have:

w¹ = 800j is the output work

w² = 2000j is the input work

Therefore, the efficiency of the machine is

n = 800/2000 = 0.4

Which can be also written as percentage:

n = 0.4 × 100 = 40%

hope it helps you

The sum of the kinetic and potential energies of particles in an object called mechanical energy.

Mechanical energy is the energy possessed by an object due to its motion or due to its position. This energy is derived from the work done on an object.

It can be in the form of kinetic energy, the energy of motion; or in the form of potential energy, the energy an object has due to its position or shape.

Mechanical energy can be converted between the two forms, and is often converted into other forms, such as electrical energy or thermal energy.

Mechanical energy is used to power machines and devices, and is an important source of energy in the modern world.

Therefore, The sum of the kinetic and potential energies of particles in an object called mechanical energy.

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Answer:

1 x 10¹⁷

Explanation:

Given data:

        Radius of the earth  = 6000km

        Radius of an atom  = 60pm

Now, how many orders is the radius of the earth larger than an atom

Solution:

To solve this problem, let us express both quantity as the same unit;

         1000m  = 1km

    6000km  = 6000 x 10³m   =  6 x 10⁶m

    60pm;

            1 x 10⁻¹²m  = 1pm

    60pm  = 60 x  1 x 10⁻¹²m  = 6 x 10⁻¹¹m

Now;

The order:   \(\frac{6 x 10^{6} }{6 x 10^{-11} }\)   = 1 x 10¹⁷

Answer:it’s c SrBr2

Explanation:

Answer above is correct

Explanation:

It took the woman 240 seconds to walk a distance of 360 meters.

To calculate the time required to walk a given distance, we can use the formula:

Time = Distance / Speed

This formula is derived from the concept of speed, which is defined as the distance traveled per unit of time. By rearranging the formula, we can solve for time by dividing the distance traveled by the speed at which it was traveled. In the given scenario, the woman walked a distance of 360 meters with an average speed of 1.5 meters per second. By applying the formula, we divide the distance (360 meters) by the speed (1.5 meters per second) to determine the time required to cover that distance.

Time = 360 m / 1.5 m/s

Time = 240 seconds

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Answer:

a. Displacement=30²+5²=925= 30.4m

b. Total distance=30m+5m=35m

c. V=s/t. = 30.4/45=0.6m/s

The change in gravitational potential energy is given as 3.50 MJ.

The energy transferred to the surroundings when the skydiver opened her parachute is equal to the change in gravitational potential energy minus the kinetic energy at that moment. Therefore, the energy transferred to the surroundings can be calculated as follows:

Energy transferred to surroundings = Change in gravitational potential energy - Kinetic energy

Change in gravitational potential energy = 3.50 MJ = 3.50 × 10^6 J

Mass of the skydiver = 80 kg

Speed of the skydiver when she opened her parachute = 55 m/s

First, let's calculate the kinetic energy at that moment:

Kinetic energy = (1/2) × mass × (speed)^2

Kinetic energy = (1/2) × 80 kg × (55 m/s)^2

Now, we can calculate the energy transferred to the surroundings:

Energy transferred to surroundings = 3.50 × 10^6 J - [(1/2) × 80 kg × (55 m/s)^2]

The final result will be the calculated value for the energy transferred to the surroundings.

The energy transferred to the surroundings when the skydiver opens her parachute is the difference between the change in gravitational potential energy and the kinetic energy at that moment.

As the skydiver descends, her potential energy decreases due to her decreasing height. The change in gravitational potential energy is given as 3.50 MJ.

When the parachute is opened, the skydiver's speed is given as 55 m/s. The kinetic energy at that moment is calculated using the mass of the skydiver and her speed.

Subtracting the kinetic energy from the change in gravitational potential energy gives us the energy transferred to the surroundings. This accounts for the energy dissipated as heat, sound, and other forms of energy when the parachute is opened.

The calculated value represents the energy that is no longer available for the motion of the skydiver, but has been lost to the surroundings.

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The sky on Earth is blue because blue light is scattered through the atmosphere as the other colors of light pass through undisturbed. Dark nebulae  have something similar going on.

Nebulae are interstellar dust and gas clouds that get backlighting from stars both inside and behind them. The clouds are illuminated by the photons from these stars that are dispersed throughout them. A nebula does not generate most of the light that appears to come from it; rather, it reflects and refracted light.

A dark nebula, also known as an absorption nebula, is a form of interstellar cloud, particularly a molecular cloud, that is so dense that it absorbs all of the light from objects behind it, including emission or reflection nebulae and background stars, at visible wavelengths.

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If F = 37 N, the static frictional force between the block and the table and the minimum force required to move it must be equal.

It is the force that regulates itself. The value of static friction varies from zero to the smallest force required to initiate motion. The formula for determining static friction is as follows: Normal Force divided by the static friction coefficient is static friction.

Although the maximum static friction will rise, the frictional force will always be the same as the weight in mg because friction cannot accelerate an object. Because FrN can take any value less than N to balance the weight, this is the case.

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Answer:

the light relflects off them and creates a image

Answer:

When photons - rays of light - coming from an object (your smiling face, for example) strike the smooth surface of a mirror, they bounce back at the same angle. Your eyes see these reflected photons as a mirror image.... If a smooth surface absorbs the photons, they can't bounce back and there will be no reflection.

Explanation:

*Hope this helps*

The most common cause of pressure ulcers in a 70-year-old male nursing home resident is prolonged pressure on the skin. This occurs when the skin and underlying tissues are subjected to continuous pressure, leading to reduced blood flow and tissue damage.

Pressure ulcers, also known as bedsores or pressure sores, typically develop in individuals who are immobile or have limited mobility, such as nursing home residents. Prolonged pressure on specific areas of the body, such as the bony prominences (hips, tailbone, heels), can result in the formation of pressure ulcers.

When pressure is applied to the skin for an extended period, it can restrict blood flow to the area. Reduced blood flow deprives the tissues of oxygen and essential nutrients, leading to tissue damage and ulcer formation. Additional factors that contribute to pressure ulcer development include friction, shear forces, moisture, poor nutrition, and compromised immune function.

Preventing pressure ulcers involves regular repositioning, maintaining good hygiene, keeping the skin clean and dry, using pressure-reducing devices (such as specialized mattresses or cushions), providing adequate nutrition, and addressing any underlying medical conditions. Timely assessment and intervention are crucial to managing pressure ulcers and promoting healing in affected individuals.

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Jess wants to make her house more energy efficient. Insulating her loft, which will cost £460 and save £25 per year, is better long-term option. Therefore, option B is correct.

In order to accomplish work and to produce heat and light, energy must be transferred to a body or to a physical system. Energy is the quantitative attribute that does this. Energy is a preserved resource; according to the rule of conservation of energy, energy can only be transformed from one form to another and cannot be created or destroyed.

Computers, vehicles, communications, state-of-the-art medical technology, and many other things are all powered by energy. The demand for dependable and economical energy is especially pressing for emerging countries. It may enhance things or perhaps save lives.

A turbine generator set transforms mechanical energy into electrical energy to produce electricity. Natural gas, coal, nuclear fission, biomass, petroleum, geothermal, and solar thermal are examples of energy sources where the heat generated is used to produce steam.

Thus, option B is correct.

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Answer:

Wavelength.

Explanation:

1 period, or wavelength, is measured from one crest to another or from one trough to another.

True. In Workspace Mode, it is possible to change the priority of an OCR (Optical Character Recognition) job.

OCR is a process that converts scanned images or printed text into machine-readable text that can be edited and searched. Depending on the size and complexity of the document, OCR jobs can take longer to process than other tasks in Workspace Mode. By changing the priority of the OCR job, users can ensure that it is given higher processing power and completed faster. To change the priority of an OCR job, users can navigate to the "Processing" tab in Workspace Mode and select the OCR job they want to modify. From there, they can adjust the priority level and save the changes. It is important to note that changing the priority of an OCR job may impact the processing of other tasks in Workspace Mode, so users should consider their overall workload before making any adjustments.

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Answer: Answer Is B) The magnitude of both forces will decrease as the magnitude of the items (mass for gravity, charge for electrical) increases.

Explanation:

U WELL COM

P1=P2=P3  is true about the pressure on the bottom in each container.

P=F/A

same area and same force lead to same pressure.

Pressure is defined as force/area. To calculate the pressure that snow exerts on a roof, divide the weight of the snow by the roof's surface area. Gases are a typical pressure source in physics. A "vacuum" is used to describe the absence of pressure. People have long held the belief that vacuums are improbably rare and unnatural because "nature abhors a vacuum." Actually, this is not the case.

The number of pressure units is ridiculous. The units torr or mmHg are frequently employed. The only subject of conversation is the height of a mercury column. The atmosphere contains 760 torr, or mmHg. You could also look at mmH2O, which makes use of a related idea.

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