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An illustration of the connection between transmittance and absorbance In this case, absorbance is zero and percent transmittance is 100% if all light flows through a solution without being absorbed. The % transmittance is 0 and the amount of absorption is unlimited if all the light is absorbed.

Several things might occur when a light beam with a single frequency collides with an item. If the thing takes in the light wave, its energy could be transformed into heat. It's possible that the object will reflect the light wave. Furthermore, the object might transmit a light wave.

It seems orange to us because it is the transmitted light. Reflected light gives coloured objects their specific appearance. Violet, red, and orange wavelengths are absorbed by a green leaf when sunlight is shone on it. Wavelengths that are reflected appear green.

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The subsequent current in the series RLC circuit is given by the equation: i(t) = I * cos(5t - Φ), where I is the amplitude of the current and Φ is the phase angle.

To find the subsequent current, we need to calculate the amplitude (I) and the phase angle (Φ) of the current.

First, let's calculate the resonant frequency (ω) of the circuit:

ω = 1 / √(LC) = 1 / √(10 * 10^(-2)) = 1 / √1 = 1 rad/s.

The applied voltage can be written as E(t) = E * cos(ωt), where E is the amplitude of the voltage.

Comparing this with the given voltage E(t) = 200 * cos(5t), we can equate the angular frequencies: ω = 5.

Now, let's find the impedance (Z) of the circuit:

Z = √(R^2 + (Xl - Xc)^2),

where R is the resistance, Xl is the inductive reactance, and Xc is the capacitive reactance.

R = 20 Ω

Xl = ωL = 1 * 10 = 10 Ω

Xc = 1 / (ωC) = 1 / (5 * 10^(-2)) = 20 Ω

Plugging in these values, we get:

Z = √(20^2 + (10 - 20)^2) = √(400 + 100) = √500 ≈ 22.36 Ω.

The amplitude of the current (I) can be calculated using Ohm's Law:

I = E / Z = 200 / 22.36 ≈ 8.94 A.

The phase angle (Φ) can be found using the relationship between resistance, inductive reactance, and capacitive reactance:

tan(Φ) = (Xl - Xc) / R = (10 - 20) / 20 = -0.5.

Therefore, Φ ≈ -0.464 rad.

The subsequent current in the series RLC circuit is given by i(t) = 8.94 * cos(5t + 0.464) A.

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Answer:

Explanation:

In the decibel scale , intensity of sound changes logarithmically as follows

\(10log\frac{I}{I_0} =\) Value in decibel scale , the value of I₀ = 10⁻¹² W /m².

Putting the values

\(10log\frac{I}{10^{-12}} = 71\)

\(log\frac{I}{10^{-12}} = 7.1\)

\(\frac{I}{10^{-12}} = 10^{7.1}\)

\(I= 10^{-4.9}\) W/m²

Similarly for 54 dB sound intensity can be given as follows

I = 10⁻¹² x \(10^{5.4}\)

\(I= 10^{-6.6 }\) W / m²

For intensity of sound the relation is as follows

I = 2π²υ²A²ρc where υ is frequency , A is amplitude , ρ is density of air and c is velocity of sound .

Putting the given values for 71 dB

\(I= 10^{-4.9}\)  = 2π² x 504²xA²x 1.21 x  346

A² = 60.03 x 10⁻¹⁶

A = 7.74 x 10⁻⁸ m

For 54 dB sound

\(10^{-6.6}\) = 2π² x 504²xA²x 1.21 x  346

A² = 1.1978 x 10⁻¹⁶

A = 1.1 x 10⁻⁸ m

Answer:

there very old

Explanation:

As the angle of an incline increases, the perpendicular component will become larger while the parallel component will become smaller. The normal force will stay the same.

When an object is placed on an incline, its weight is resolved into two components - parallel and perpendicular to the surface of the incline. As the angle of the incline increases, the perpendicular component becomes larger while the parallel component becomes smaller.

This is because the perpendicular component is directly proportional to the sine of the angle of the incline, while the parallel component is proportional to the cosine of the angle of the incline. The normal force, which is the force exerted by the surface of the incline on the object, will remain the same regardless of the angle of the incline, as long as the object is not accelerating vertically. However, if the object starts to slide down the incline, the normal force will decrease as the angle of the incline increases.

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The formula is used to determine the work done by a force: work = force x distance. It is necessary to multiply the force by the distance moved by the object in the direction of the force. The force is expressed in newtons, and the distance is expressed in meters.

To find the work done by the force in moving an object 10 meters, it is necessary to calculate the area beneath the graph of the force function between x = 0 and x = 10. The area beneath the graph corresponds to the work done by the force moving the object. To find the area beneath the graph, you can split it into small rectangles and sum their areas. The width of each rectangle is the distance between the two consecutive points on the x-axis, and each rectangle's height is the force's value at that point. The work done by the force can be expressed as follows: work = force x distance work = area beneath the graph of the force function between x = 0 and x = 10. The area beneath the graph can be calculated using the trapezoidal rule or Simpson's rule, but the exact method depends on the graph's shape.

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I think it's the yellow one

Answer:

B,A,A

Explanation:

Answer:

Other guy is correct b,a,a

Explanation:

From the Newton's first law, we can see that the impressed force is equation the rate at which the momentum changes.

F = m(v - u)/t

F = force applied

m = mass of the body

v = final velocity

u = initial velocity

t = time

1) Deceleration of the person wearing the seatbelt is; 0 - 20/ 0.1 = -200 m/s^2

2) Force exerted = 50 Kg * ( -200 m/s^2) = -10000 N

3) Deceleration of the person stopped by the dashboard = 0 - 20/ 0.01 = -2000 m/s^2

4) Force exerted by the dash board on the person = 50 Kg * (-2000 m/s^2) = -100000 N

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Answer:

The answer is A because it is a resource that takes many many years to make more of and we cannot make it ourselves

Answer:

The change that has to take place inside the power cord in order for the device to function properly include;

The changing of the alternating current (AC) from the electrical outlet to the direct current having a specific voltage and current value with which the device can be powered

Explanation:

A battery powered device makes use of direct current (DC) electric power from a battery, while the power normally given out at an electrical outlet comes as an alternating current (AC) electric power source.

The power cord for battery-powered device, also known as an AC/DC adapter, that allows them to be plugged into electrical outlets converts the AC electric current it obtains from the electrical outlets to DC electrical current of the appropriate voltage and amperage that the device can make use of for electric power to function and for charging the battery which is the power source for the device

Therefore, the change that has to take place in the power cord is the conversion of the electric outlet alternating current (AC) voltage and amperage values, into direct current (DC) of the required voltage and current for the device

Given that a particle moves along the x-axis so that its acceleration at any time t0 is given by a(t) = 12t - 4, At time t = 1, the velocity of the particle is v(1) = 7, and its position is x(1) = 4.

To find the velocity and position of the particle, we need to integrate the acceleration, a(t), and then solve the resulting equations for the constants of integration.

To solve for C, we use the fact that v(1) = 7:v(1) = 6(1)^2 - 4(1) + Cv(1)

= 2 + C

Thus, C is 5. Now, we can write the velocity of the particle as:

v(t) = 6t^2 - 4t + 5

To find the position of the particle, we integrate the velocity.

v(t) = dx(t)/dt ⇒ dx(t)

= v(t)dt∫dx(t)

= ∫v(t)dtx(t)

= ∫(6t^2 - 4t + 5)dt

X(t) = 2t^3 - 2t^2 + 5t + K

where K is the constant of integration. To solve for K, we use the fact that

x(1) = 4:X(1)

= 2(1)^3 - 2(1)^2 + 5(1) + KX(1)

= 5 + K

Thus, K = -1.

Now, we can write the position of the particle as:

X(t) = 2t^3 - 2t^2 + 5t - 1

Hence, the velocity of the particle is v(t) = 6t2 - 4t + 5, and the position of the particle is X(t) = 2t3 - 2t2 + 5t - 1.

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Answer:Convergent boundaries are areas where plates move toward each other and collide. These are also known as compressional or destructive boundaries. Subduction zones occur where an oceanic plate meets a continental plate and is pushed underneath it. Subduction zones are marked by oceanic trenches.

pLS THANK ME AND VOTE ME BRAINLIEST ME

Explanation:

Answer: A

Explanation:

The intensity at a point on the screen 2.00 mm from the center of the central maximum is approximately 0.034 W/m². The intensity at a point on the screen 1.50 mm from the center of the central maximum is approximately 0.024 W/m².

I = Imax cos² (πd sin θ / λ),

where Imax is the intensity at the center of the interference pattern, d is the distance between the two slits, θ is the angle between the line connecting the point on the screen to the center of the interference pattern and the line perpendicular to the screen, and λ is the wavelength of the light.

To find the angle θ, we can use the small angle approximation:

sin θ ≈ θ ≈ y/L,

where y is the distance from the center of the interference pattern to the point on the screen, and L is the distance between the slits and the screen.

We are given d = 0.0720 mm, λ = unknown, L = 0.800 m, Imax = 0.0700 W/m², and the distance from the center of the central maximum to the first minimum y = 3.00 mm.

Using the given distance y, we can find the value of sin θ:

y/L = sin θ,

3.00 mm / 0.800 m = sin θ,

sin θ = 0.00375.

Now we can solve for the wavelength λ:

Imax cos² (πd sin θ / λ) = I,

0.0700 W/m² cos² (π(0.0720 × 10⁻³ m)(0.00375) / λ) = I,

cos² (π(0.0720 × 10⁻³ m)(0.00375) / λ) = I / 0.0700 W/m²,

π(0.0720 × 10⁻³ m)(0.00375) / λ = ± cos⁻¹ (√(I / 0.0700 W/m²)),

λ = π(0.0720 × 10⁻³ m)(0.00375) / cos⁻¹√(I / 0.0700 W/m²)),

λ = 5.70 × 10⁻⁷ m (for the positive root).

Now we can find the intensities at the given distances from the center of the central maximum.

For y = 2.00 mm:

sin θ = y/L = 2.00 mm / 0.800 m = 0.00250,

I = Imax cos² (πd sin θ / λ)

I = 0.0700 W/m² cos² (π(0.0720 × 10⁻³m)(0.00250) / (5.70 × 10⁻⁷ m))² ≈ 0.034 W/m².

So the intensity at a point on the screen 2.00 mm from the center of the central maximum would be approximately 0.034 W/m².

For y = 1.50 mm:

sin θ = y/L = 1.50 mm / 0.800 m = 0.001875,

I = Imax cos² (πd sin θ / λ)

I= 0.0700 W/m² cos² (π(0.0720 × 10⁻³m)(0.001875) / (5.70 × 10⁻⁷ m))² ≈ 0.034 W/m².

I ≈ 0.024 W/m².

So the intensity at a point on the screen 1.50 mm from the center of the central maximum would be approximately 0.024 W/m².

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Answer:

I think it would be c, crashing into another car

What does "the following" mean ?

Kinetic energy is directly proportional to speed² .

So kinetic energy doubles if the speed is increased by √2 .

(3 m/s) · (√2)  =  4.243 m/s

The x-component of vector b (bx) can be calculated using trigonometry. Given that the length of vector b is 8.00 cm and it makes an angle of 20.0 degrees clockwise from the positive y-axis, we can use the cosine function to find the x-component.

Cosine of an angle is defined as the adjacent side divided by the hypotenuse. In this case, the adjacent side is the x-component and the hypotenuse is the length of vector b. Therefore, bx = b * cos(angle).

Substituting the values, bx = 8.00 cm * cos(20.0 degrees). Evaluating this expression gives us the x-component of vector b as approximately 7.44 cm.

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There are no immediate substitutes for gasoline as public transportation is often limited and walking, biking, or taking a cab is not always feasible. Therefore, people may continue to purchase gasoline despite an increase in price.

One item that is common in our society that I believe is elastic is fast food. Elasticity is the degree to which changes in price affect demand for a good or service.

Fast food is elastic because it has many substitutes such as restaurants, home-cooked meals, and even other fast-food chains. Fast food is also highly responsive to price changes, which means that a small change in price can cause a large change in demand.

For example, a $1 price increase for a burger meal at a fast-food chain might cause many people to switch to a competitor with a cheaper price. Thus, fast food is an elastic product in our society.One item that is common in our society that I believe is inelastic is gasoline.

Gasoline is an inelastic product because it has few substitutes and people need it for transportation. If the price of gasoline increases, people may continue to purchase it even if it means spending more money because there are few alternative options.

Additionally, there are no immediate substitutes for gasoline as public transportation is often limited and walking, biking, or taking a cab is not always feasible.

Therefore, people may continue to purchase gasoline despite an increase in price.

For example, if the price of gasoline increases by $1, a consumer will still purchase gasoline because they require it to get to work or school. Thus, gasoline is an inelastic product in our society.

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One item in our society that I believe is elastic is the price of gasoline  because of  various alternatives to gasoline and the proportion of income spent. An item in our society that I believe is inelastic is medical treatment because of the necessity of medical treatment and lack of substitutes.

Firstly, the availability of substitutes contributes to the elasticity of gasoline. In our society, there are various alternatives to gasoline, such as electric vehicles or public transportation. When the price of gasoline increases, consumers have the option to switch to these substitutes, reducing their demand for gasoline. Conversely, when the price of gasoline decreases, consumers may choose to drive more or purchase larger vehicles, increasing their demand for gasoline. This flexibility in consumer choices demonstrates the elasticity of gasoline.

Secondly, the proportion of income spent on the product also influences the elasticity of gasoline. For many individuals, the cost of gasoline represents a significant portion of their overall budget. When the price of gasoline rises, consumers may have to make adjustments to their spending habits or seek alternative means of transportation to cope with the higher expenses. Conversely, when the price of gasoline decreases, consumers may have more disposable income to spend on other goods and services. This sensitivity to price changes further supports the elasticity of gasoline.

On the other hand, an item in our society that I believe is inelastic is medical treatment. Two determinants of elasticity that contribute to this belief are the necessity of the product and the lack of substitutes.

Firstly, the necessity of medical treatment makes it an inelastic product. When individuals require medical treatment, they often have no choice but to seek the necessary healthcare services regardless of the price. This is especially true for life-saving procedures or medications. The demand for medical treatment is driven by the urgency and importance of preserving one's health, which leads to a less responsive consumer behavior to price changes.

Secondly, the lack of substitutes also contributes to the inelasticity of medical treatment. In many cases, there are limited alternatives or substitutes available for specific medical treatments. For example, if a person requires a specific surgery or medication to treat a condition, they cannot easily switch to a different treatment option to lower their expenses. The lack of viable substitutes reduces consumer choice and makes the demand for medical treatment less responsive to changes in price.

In summary, the price of gasoline is elastic due to the availability of substitutes and the proportion of income spent on the product. On the other hand, medical treatment is inelastic due to its necessity and the lack of substitutes. These determinants of elasticity highlight the different levels of responsiveness to price changes in these two common items in our society.

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Answer:

100 J

Explanation:

All of the PE will be converted to KE , so just as the apple strikes the ground it will have KE of 100 J   and PE will at that time = 0

The maximum height achieved by the cannonball above the ground is approximately 24.14 meters.

To find the maximum height achieved by the cannonball, we can analyze its motion using the principles of projectile motion.

Given:

Initial velocity (v₀) = 35 m/s

Launch angle (θ) = 50 degrees

Acceleration due to gravity (g) = 9.8 m/s²

The motion of the cannonball can be divided into horizontal and vertical components.

Vertical motion:

The initial vertical velocity (v₀y) can be calculated using the launch angle:

v₀y = v₀ * sin(θ)

The time taken to reach the maximum height (t_max) can be determined using the equation:

t_max = v₀y / g

Using this time, we can find the maximum height (h_max) reached by the cannonball above the ground using the equation:

h_max = (v₀y)² / (2 * g)

Substituting the given values:

v₀y = 35 m/s * sin(50°)

t_max = (35 m/s * sin(50°)) / 9.8 m/s²

h_max = [(35 m/s * sin(50°))^2] / (2 * 9.8 m/s²)

Calculating these expressions gives us:

v₀y ≈ 27.01 m/s

t_max ≈ 1.46 s

h_max ≈ 24.14 m

Therefore, the maximum height achieved by the cannonball above the ground is approximately 24.14 meters.

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Answer: 12

Explanation:

The resultant vector is  12 unit.

When two vectors point in the same direction, their sum is equal to the total of their respective magnitudes pointing in the same direction.

When two vectors are pointed in opposite directions, the resultant vector is pointed in the direction of the larger vector and is equal to the difference between their magnitudes.

Here, one vector of 15 unit is acting to the left and another vector of 3 unit acting rightwards. As they are acting in opposite direction, vector summation of two vector will be equal to the value of subs traction of their magnitude.

So, Resultant vector= 15 unit + (-3 unit)

= 15 unit - 3 unit

= 12 unit.

Hence, the resultant vector will be 12 unit.

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The work done in stretching the spring from its natural length to 10 inches beyond its natural length is 112 lb·in.

The work done in stretching a spring is given by the formula:

\(\[ W = \frac{1}{2} k (x_f^2 - x_i^2) \]\)

In this case, the spring is stretched 4 inches beyond its natural length, so the initial displacement is 4 inches. The force required to hold the spring at this displacement is 16 lb. We can use Hooke's Law to find the spring constant:

\(\[ k = \frac{F}{x_i} = \frac{16 \, \text{lb}}{4 \, \text{in}} = 4 \, \text{lb/in} \]\)

Now, we can calculate the work done in stretching the spring to 10 inches beyond its natural length:

\(\[ W = \frac{1}{2} (4 \, \text{lb/in}) \left( (10 \, \text{in})^2 - (4 \, \text{in})^2 \right) = 112 \, \text{lb·in} \]\)

Therefore, the work done in stretching the spring is 112 lb·in.

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A plant growing towards a light source is an example of an organism of Phototropism

The extra cost of fuel for driving 83 mph instead of 73 mph is $3.7671.

The speed of your automobile has a huge effect on fuel consumption. Traveling at 65 miles per hour (mph) instead of 55mph can consume almost 20% more fuel. As a general rule, for every mile per hour over 55 , you lose 2% in fuel economy.

If you take a 400-mile trip and your average speed is 83mph rather than the posted speed limit of 73mph, then the extra cost of the fuel is calculated as:

* **Fuel consumption at 83 mph:** 30 mpg * (1 - 2% * (83 - 55)) = 27.6 mpg

* **Fuel consumption at 73 mph:** 30 mpg * (1 - 2% * (73 - 55)) = 29 mpg

* **Extra fuel used:** 400 miles / 27.6 mpg - 400 miles / 29 mpg = 2.4 gallons

* **Extra cost of fuel:** $3.26/gallon * 2.4 gallons = $3.7671

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Answer:

Explanation:

Given:

P = 12 W

R = 270 Ω

t = 2.5 s

____________

Q - ?

Power:

P = I²·R

Current strength:

I = √ (P / R) = √ (12 / 270) ≈ 0.21 A

Charge:

Q = I·t = 0.21·2.5 = 0,525 C

Answer:

max

Explanation:

in this case Chris said that the car stops which means that its energy has disappear we know that this is wrong because energy can't just disappear energy can't be destroyed and Sam told that energy can't be the towards so it should have become potential energy in order for a body to be up converted into potential energy we need to change its position in respect to gravity in this case is position is not change in respect to gravity where is Max is correct because due to the production of wastage energy each energy and sound energy is produced due to friction and that's what stop the car

Light photons always travel at a constant speed (the speed of light) regardless of their energy, while the velocity of electrons is not constant and can vary with their energy.

Light photons and energetic electrons do not have constant velocities independent of energy. Light photons, which are particles of electromagnetic radiation, travel at a constant speed in a vacuum, which is approximately 299,792 kilometers per second (or about 186,282 miles per second) in a vacuum, denoted as the speed of light (c). This speed is a fundamental constant of nature and remains constant regardless of the energy of the photons. In other words, all photons, regardless of their energy, travel at the same speed in a vacuum.

On the other hand, energetic electrons do not have a constant velocity independent of their energy. According to classical physics, the velocity of an electron can vary depending on its energy. In classical mechanics, the kinetic energy of an object is related to its velocity. However, in the microscopic world of quantum mechanics, the behavior of particles such as electrons is described differently.

In quantum mechanics, the concept of particle velocity becomes less straightforward. Instead of velocity, quantum particles are described by wavefunctions, which represent the probability distribution of finding the particle at a certain location. The wavefunction of an electron evolves over time according to the Schrödinger equation, and it does not directly correspond to a well-defined classical velocity.

However, in certain situations, such as in electron beams or particle accelerators, electrons can be accelerated to high energies. In these cases, the energy of the electrons is related to their speed, but it is not a constant relationship. As the energy of the electrons increases, their speed can also increase, but it is not independent of their energy.

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Answer:

if it is totally frictionless you can only need to throw the hockey stick to one other side and wait for yourself to move slowly to the other side. this will happen by the law of conservation of momentum and Newton's First law (continues to move in the uniform velocity without external I. e. friction, Force).