please awnser and show the ways​

Speed = Wavelength * Frequency

None of the options listed is a negative externality. A negative externality is an unintended consequence of an economic activity that affects a third party who is not directly involved in the activity.

If I were to choose: Businesses would not necessarily increase hiring rates.

This could be considered a negative externality because the grant funding is intended to fund job training in order to increase employment opportunities, but if businesses do not increase their hiring rates despite having a pool of trained workers, then the intended benefit of the grant may not be fully realized. This could result in a loss of resources and a missed opportunity to address unemployment in the community.

Answer:

D. Copper

Explanation:

Copper has the best electrical conductivity of any metal, except silver. A good electrical conductivity is the same as a small electrical resistance.

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Answer:

using V= IR

I= 11Ampere

Answer:

D hope this helps plz mark brainliest

Explanation:

To provide an output of 40 W, approximately 134 solar cell modules would be necessary.

To determine the size of the solar cell array necessary to provide an output of 40 W, we need to calculate the total power generated by a single solar cell module and then divide 40 W by that power.

In this case:

Voltage (V) = 3 V

Current (I) = 0.1 A

Dimensions: Length (L) = 5.0 cm and Width (W) = 8.0 cm

First, let's calculate the power generated by a single solar cell module using the formula:

Power (P) = Voltage (V) * Current (I)

P = 3 V * 0.1 A

P = 0.3 W

So, a single solar cell module generates 0.3 W of power.

Now, we can determine the number of modules required to provide 40 W of power by dividing the desired output power by the power of a single module:

Number of modules = Desired power / Power per module

Number of modules = 40 W / 0.3 W

Number of modules ≈ 133.33

Since we cannot have a fraction of a module, we would need to round up to the nearest whole number.

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Answer:

the change in momentum is 2.52 N·s

the constant force on the ball while in contact with the players foot is 126 N

Explanation:

p=momentum

m=mass

v=change in velocity

p=(0.42)(6)

p=2.52

The change in the ball's momentum is 2.52 kgms⁻¹

The constant force exerted by the players foot on the ball is 126 N

From the question,

We are to determine the change in momentum of the ball

Change in momentum calculated by using the formula,

\(\rho = m(v-u)\)

Where \(\rho\) is the change in momentum

\(m\) is the mass

\(v\) is the final velocity

and \(u\) is the initial velocity

From the given information,

\(m = 0.42 \ kg\)

\(u = 12 \ m/s\)

\(v = 18 \ m/s\)

Therefore,

Change in the ball's momentum,

\(\rho = 0.42 (18-12)\)

\(\rho = 0.42 (6)\)

\(\rho = 2.52 \ kgms^{-1}\)

Hence, the change in the ball's momentum is 2.52 kgms⁻¹

For the force exerted by the players foot

Force is given by change in momentum with time

That is,

\(F = \frac{\rho}{t}\)

Where

\(F\) is the force

\(\rho\) is the change in momentum

and \(t\) is the time

From the given information

\(t = 0.020 \ s\)

Therefore,

\(F = \frac{2.52}{0.020}\)

\(F = 126 \ N\)

Hence, the constant force exerted by the players foot on the ball is 126 N

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Answer: 3km E, 1km N

Explanation:

4E + 6S + 3E + 5N + 10W + 8N + 3S= 3W, 1S

3W, 1S= 3E, 1N

Analyzing functions with successive differences is an important skill in mathematics. It involves identifying patterns in the differences between consecutive terms of a sequence, and using these patterns to predict future terms.

The process can be applied to a wide range of functions, including linear, quadratic, and exponential functions. To analyze a function with successive differences, you first need to identify the sequence of terms that defines the function. Then, you calculate the differences between consecutive terms and look for patterns in these differences. If the differences are constant, the function is linear. If the differences increase by a constant amount, the function is quadratic. And if the ratios of the differences are constant, the function is exponential. This skill is useful in a variety of contexts, from predicting future stock prices to analyzing data in scientific experiments, as it is a complex topic that requires explanation and context.

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To determine the mass of granite, we must first understand the definition of density. Density is defined as the amount of matter present in a substance per unit volume.

We use the formula: density = mass/volume to calculate the mass of a substance given its density and volume. To calculate the mass of 54.3 m³ of granite, we use the following steps:

Given Density of granite = 2700 kg/m³Given volume of granite = 54.3 m³Let us substitute the values in the formula of density:density = mass/volume Solving for mass, we get:mass = density × volume Substitute the given values of density and volume into the formula:mass = 2700 kg/m³ × 54.3 m³

The m³ unit in the volume cancels out, leaving us with kg as the unit for mass.

We then solve the equation to get the mass:mass = 146,610 kg

Therefore, the mass of 54.3 m³ of granite is 146,610 kg.

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Answer:   A

Explanation:

loss and degradation of habitat (mainly deforestation), over exploitation (hunting, overfishing), invasive species, climate change, and nitrogen pollution.

Answer:

Travels through solid materials, and air.... but it can also travel through the vacuum of space

Explanation:

When Weight of 7294.3 N can be supported by boom if force 7800 is applied on the cable and there is no resultant rotation at point C.

Torque is defined as force times perpendicular distance from axis of rotation to the point at which force is applied. Torque is denoted by τ and its SI unit is Nm. i.e Torque is given by, τ = F×d sinθ. Torque is vector quantity.

Torque is analogous to force in rotational motion. like there angular velocity ω is analogous  linear velocity v. means Torque is a force in rotational motion.

Looking at the answered figure I have resolved forces, there will be no resultant rotation when opposite torques due to opposite horizontal forces gets balanced.

We get,

τ₁ = τ₂

F×d Cos40⁰ = W×d Sin55°

F Cos40° = W Sin55°

W = F×(Cos40°÷Sin55°)

W = F×0.93516

W = 7800 ×0.93516

W = 7294.3 N

Hence Weight that can be supported is 7294.3 N.

b) When we assume that there is no cable, Then

Torque τ = W×d Sin35°

τ = 7294.3×10 Sin35°

τ = 41838.3 Nm

bloom will rotate with 41838.3 Nm torque.

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Answer:

Gravity

Explanation:

It is gravity because the sun's gravity pulls all the planets towards itself and keeps the planets in the sun's orbit

The principle that is NOT a part of Darwin's theory of evolution by natural selection is inheritance of acquired characteristics.

What is Darwin's theory of evolution by natural selection?

Charles Darwin, a British naturalist, proposed a theory that expounded the process of evolution known as natural selection in the 19th century. This theory proposed that species change and adapt over time through the processes of variation, mutation, and selection. This principle was first published in his 1859 book On the Origin of Species.

There are four principles of Darwin's theory of evolution by natural selection, which are as follows:

Principle of Variation: Darwin proposed that there is a variation in the traits of a particular population. These variations are caused by differences in genetic composition that arises due to mutations.Individuals with more suitable traits are more likely to survive and pass those traits to the next generation.

Principle of Overproduction: Darwin theorized that populations produce more offspring than can survive, and resources are limited in their environment. Hence, there is a competition for survival, and the fittest individuals survive.

Principle of Selection: Darwin proposed that some individuals in a population have heritable characteristics that make them more likely to survive and reproduce than others. These individuals pass on these traits to their offspring, leading to evolution.

Principle of Descent with Modification: This principle states that all organisms share a common ancestor and have evolved over time through natural selection, leading to the formation of new species.Inheritance of acquired characteristics is not a part of Darwin's theory of evolution by natural selection. It is the Lamarckian theory of evolution, which was proposed by Jean Baptiste Lamarck. This theory proposes that an organism can pass on characteristics that it acquired during its lifetime to its offspring.

Darwin's theory of evolution : Darwinism is a hypothesis of natural development created by the English naturalist Charles Darwin (1809-1882) and others, expressing that all types of life forms emerge and foster through the regular determination of little, acquired varieties that increment the singular's capacity to contend, make due, and duplicate.

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If the metal box displaces water if 320 lbs, its weight in underwater is 250 lbs.

Archimedes principle states that when an object is totally or partially immersed in a fluid, it experiences un upthrust which is equal to the weight of the fluid displaced.

If the metal box displaces some volume of the water, it implies that the density of the metal box is greater than that of the water.

The weight of the metal box underwater is calculated as follows;

W = weight on land - weight of water displaced

W = 570 lbs - 320 lbs

W = 250 lbs

Thus, we can conclude that the weight of the metal box underwater is 250 lbs.

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Answer:

The grapefruit dropped 2.54 m and hit the ground at 7.06 m/s

Explanation:

Free Fall Motion

A free-falling object falls under the sole influence of gravity. Any object that is being acted upon only by the force of gravity is said to be in a state of free fall. Free-falling objects do not encounter air resistance.

If an object is dropped from rest in a free-falling motion, it falls with a constant acceleration called the acceleration of gravity, which value is \(g = 9.8 m/s^2.\)

The final velocity of a free-falling object after a time t is given by:

vf=g.t

The distance traveled by a dropped object is:

\(\displaystyle y=\frac{gt^2}{2}\)

Given a grapefruit free falls from a tree and hits the ground t=0.72 s later, we can calculate the height it fell from:

\(\displaystyle y=\frac{9.8\cdot 0.72^2}{2}\)

y = 2.54 m

The final speed is computed below:

\(vf=9.8\cdot 0.72\)

vf = 7.06 m/s

The grapefruit dropped 2.54 m and hit the ground at 7.06 m/s

Answer:

the correct answer is 1. radiation

If the weight is now lifted with a pulley, both the force and the distance decreases.

A machine refers to any device in which the effort applied at one end may be used to overcome the load at another end. Machines are used to make work easier.

If the weight is now lifted with a pulley, both the force and the distance decreases because a pulley is a simple machine hence the work done is lesser.

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In an ideal-offset model for diodes, we assume that the diodes have an infinite resistance in the reverse direction and zero resistance in the forward direction. Using this model, we can calculate the current through and voltage across the diode. If we have and in the forward direction, we can assume that the voltage across the diode is zero. This means that the current through the diode will be determined solely by the resistor value. Therefore, the current through the diode will be .

In the reverse direction, the voltage across the diode will be equal to the voltage across the resistor, which is . Since the diode has an infinite resistance in the reverse direction, no current will flow through it, and the current through the resistor will be zero.To summarize, the current through the diode in the forward direction is , and the voltage across the diode is zero. In the reverse direction, the voltage across the diode is , and no current flows through it.

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Answer:

C = 1.01

Explanation:

Given that,

Mass, m = 75 kg

The terminal velocity of the mass, \(v_t=60\ m/s\)

Area of cross section, \(A=0.33\ m^2\)

We need to find the drag coefficient. At terminal velocity, the weight is balanced by the drag on the object. So,

Weight of the object = drag force

R = W

or

\(\dfrac{1}{2}\rho CAv_t^2=mg\)

Where

\(\rho\) is the density of air = 1.225 kg/m³

C is drag coefficient

So,

\(C=\dfrac{2mg}{\rho Av_t^2}\\\\C=\dfrac{2\times 75\times 9.8}{1.225\times 0.33\times (60)^2}\\\\C=1.01\)

So, the drag coefficient is 1.01.

Tidal volume is the volume of air inspired or expired during normal respiration. The tidal volume is typically about 500 milliliters during resting breathing, and it can increase to more than 3,000 milliliters during exercise.

The inspiratory capacity is the maximum amount of air that can be inhaled following normal expiration.Tidal volume is the volume of air that moves in and out of the lungs with each breath. It is an essential component of the pulmonary system, and it is used to measure the lung's capacity. Tidal volume can be calculated by dividing the total volume of air moved in and out of the lungs by the total number of breaths taken.

The inspiratory capacity is the volume of air that can be inspired following a normal expiration. This is the maximum amount of air that can be inhaled, and it is used to measure the lung's overall function. The inspiratory capacity is typically measured by a spirometer, which measures the volume of air moved in and out of the lungs during breathing.The figure attached shows a graph of the volume of air breathed over time. The tidal volume is represented by the width of each breath, while the inspiratory capacity is the maximum height that each breath reaches.

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Answer:

The answer is . A 46.2g

The wheels on a bicycle have a 10 inch radius. If the bike must travel exactly 2000 inches, the number of revolutions the wheel would make will be 31.85 revolutions.

The perimeter of the circle is called the circumference of circle.

Given, radius of the wheel = 10 inches

Diameter of the wheel = 20 inches

Length required to cover = 2000 inches

For one revolution, distance equal to the circumference moved.

1 rev = π D

1 rev = π * 20

1 rev = 62.8 inches

Number of revolutions to travel 2000 inches is 2000/62.8 = 31.85 rev

Thus, the number of revolutions required are 31.85 rev.

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The tool used to gauge atmospheric pressure is a barometer. Concerning the device used to gauge air pressure, we have been questioned.

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The Rio Grande is one of the largest river systems in the United States, running over 3,000 kilometers from the mountains of Colorado to the Gulf of Mexico. The river flows from north to south and passes through several states, including Colorado, New Mexico, and Texas.

A comparison of the discharge of the Rio Grande at Albuquerque and at Otowi Bridge (located upstream, near Santa Fe) is as follows: Albuquerque: It is the largest city in New Mexico, situated in the central part of the state. The Rio Grande flows through the city, where it is dammed to form a large lake known as Elephant Butte Reservoir. The discharge of the Rio Grande at Albuquerque is around 100 cubic feet per second (cfs) during normal conditions.

This means that the river has twice the volume of water at Otowi Bridge than at Albuquerque.During times of drought, the river's discharge can drop to dangerously low levels, affecting wildlife and human communities that rely on the river for water. The river's discharge can also increase during periods of heavy rainfall or snowmelt, leading to flooding in downstream communities.

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Mass of the bowling ball is 5kg.

How to find mass of the bowling ball if we know force and acceleration?

Given:

Force acting on a bowling ball: 15N

Acceleration: 3m/\(s^{2}\)

We know that;

F=ma

Hence, m= \(\frac{F}{a}\)

m= \(\frac{15}{3}\)

m= 5kg

Mass of the bowling ball is 5kg.

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