helium-neon laser light (l = 632.8 nm) is sent through a single slit of width 0.30 mm. what is the width of the central maximum on a screen 1.0 m in back of the slit? (1 nm = 10-9 m)

Answer:

The answers to this question is:

1. inner ear

2. outer ear

3. middle ear

Explanation:

Hope that helps!

Answer:

inner, outer, middle

Explanation:

To determine how much solar power would need to grow to match the current level of hydroelectric power, we would need to compare the respective capacities or generation outputs of these two energy sources.

As of my knowledge cutoff in September 2021, hydroelectric power is one of the largest renewable energy sources globally, accounting for a significant portion of electricity generation. According to the International Energy Agency (IEA), hydroelectric power accounted for around 16% of global electricity generation in 2019. To match the current level of hydroelectric power generation with solar power, we would need to consider the growth of solar capacity or generation to reach a similar level. However, the exact growth required would depend on several factors, including the specific capacity factors (ratio of actual energy generated to the maximum possible) and potential for solar power in different regions.

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Answer:

the following image will make you understand

Explanation:

Answer:

it is the same substance because it didn't change the process of that it was it just changed its state for would to liquid

The change in gravitational potential energy, GPE for the 8 Kg object which is lowered from a height of 10 m to 4 m is -470.4 J

We'll begin by obtaining the initial potential energy. Details below:

PE₁ = mgh₁

PE = 8 × 9.8 × 10

PE = 784 J

Next, we shall determine the final potential energy. Details below:

PE₂ = mgh₂

PE = 8 × 9.8 × 4

PE = 313.6 J

Finally, we shall determine the change in the potential energy. This is shown below:

ΔPE = PE₂ - PE₁

ΔPE = 784 - 313.6

ΔPE = -470.4 J

Thus, the change in potential energy is -470.4 J

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Answer:

The velocity of the wave is, v = 180,000 m/s

Explanation:

Given data,

The frequency of the wave, f = 900 Hz

The wavelength of the wave, λ = 200 m

The formula for the speed of the wave when the frequency and wavelength are known,

                               v = λ x f

Substituting the given values in the above equation,

                               v = 200 m x 900 Hz

                                v = 180000 m/s

Hence, the velocity of the wave is, v = 180,000 m/s

Answer:The equation is balanced for both charge and nucleon number, as required.

Explanation:2713Al + 42He → 3015P + n

The reaction is the force applied by the player's glove on the ball.

Newton's third law of motion states that when one body exerts a force on the other body, the first body experiences a force which is equal in magnitude in the opposite direction of the force which is exerted”.

The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object.

The direction of the force on the first object is opposite to the direction of the force on the second object.

According to this question, a player catches a ball. The action is the force to the ball against the player's glove while the reaction or opposite force will be the player's glove against the ball.

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Answer: Elements in the same group

The problem describes a scenario involving a narrow slit illuminated by monochromatic light. The width of the slit is given as 1.42 mm, and the wavelength of the light is given as 512 nm. The question asks for the distance between the slit and the screen, given that the distance between the first two diffraction minima on the same side of the central diffraction maximum is 1.88 mm.

To solve this problem, we can utilize the principles of diffraction and apply the formula for the location of the minima. The formula for the location of the minima in a single-slit diffraction pattern is given by d sinθ = mλ, where d is the width of the slit, θ is the angle between the central maximum and the minima, m is the order of the minima, and λ is the wavelength of the light.

In this case, we are given the width of the slit (d = 1.42 mm) and the wavelength of the light (λ = 512 nm). The distance between the first two minima (1.88 mm) corresponds to the value of θ when m = 1. By rearranging the formula, we can solve for θ and then determine the distance between the slit and the screen using basic trigonometry.

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The measured specific heat will be less than the actual specific heat if a lower value is gotten than the actual mass.

This is defined as the quantity of heat needed to raise a substance's temperature by 1 degree Celsius.

If a substance has a low specific heat capacity , it loses water easily which makes the mass when measured to be smaller than the actual value.

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Answer:

1. Gravity caused the disk-shaped nebula to shrink.

Rotational motion caused the nebula to flatten out in its disk-like shape

2. Comet - has a characteristic glow
    Meteoroid - usually burns up if it enters Earth's atmosphere
    Gas giant - primarily made of hydrogen and helium
    Asteroid - varies greatly in size from one to the next

3. They are made of denser objects, which can condense at relatively high temperatures

They are made of heavier elements, which have a stronger gravitational attraction to the Sun

Explanation:

These should be the correct answers. Hope this helped!

When the average velocity is 2.4 m/s, the horizontal 0.35 meter diameter cast iron water pipe experiences a pressure drop (P) of roughly 16457.14 kPa every 100 meters.

To determine the pressure drop per 100-meter length of a horizontal 0.35-meter diameter cast iron water pipe, we can use the Darcy-Weisbach equation. The equation is as follows:

\(\begin{equation}\Delta P = \frac{f \cdot \frac{L}{D} \cdot (\rho \cdot V^2)}{2}\)

where ΔP is the pressure drop, f is the Darcy friction factor, L is the length of the pipe (100 meters in this case), D is the diameter of the pipe (0.35 meters), ρ is the density of water, and V is the average velocity of water.

To calculate the pressure drop, we need to determine the Darcy friction factor. For a rough cast iron pipe, we can estimate the friction factor to be around 0.02.

Using the given values and the estimated friction factor, the calculation becomes:

\(\begin{equation}\Delta P = \frac{0.02 \cdot \frac{100}{0.35} \cdot (\rho \cdot 2.4^2)}{2}\)

Since the density of water (ρ) is approximately 1000 kg/m³, we can substitute this value and calculate the pressure drop:

ΔP = \(\frac{0.02 \times \frac{100}{0.35} \times 1000 \times 2.4^2}{2}\)

Let's solve the expression to calculate the pressure drop (ΔP) in kilopascals (kPa):

ΔP =  \(\frac{0.02 \times \frac{100}{0.35} \times 1000 \times 2.4^2}{2}\)

First, let's simplify the expression:

ΔP = \(\frac{0.02 \times (285.714) \times (1000 \times 5.76)}{2}\)

   = 16457.14

Therefore, the pressure drop (ΔP) per 100-meter length of the horizontal 0.35-meter diameter cast iron water pipe, when the average velocity is 2.4 m/s, is approximately 16457.14 kPa.

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Complete question :

Determine the pressure drop per 100 -m length of horizontal new 0.35−m-diameter cast iron water pipe when the average velocity 2.4 m/s. Δp= kPa

The reason for using the power model to describe the relationship between the length and the period of the pendulum is because there is a linear relationship between the scatter plots of log (length) vs. log (period of pendulum), but none can be seen in the residual plot.

In the "Power Models" unit, discover which circumstances may be explained by power models, inverse power models, and quadratic models. Additionally, you'll learn how to use the formulae y = ax₂, y = ax₃, y = a/x₂, y = a/x₃, and y = ax₂ + bx + c to compare patterns in tables and graphs of models. Here, x₂ and x₃ are the length of the pendulums at particular instants.

In the framework of these models, they also begin to understand the idea of rate of change. Here, some skills are acquired, like visually solving quadratic equations and simplifying radical and exponential forms. Additionally, direct and inverse variation concepts and phrases are taught.

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The answer was 0.33

Explanation: Edge 2021

'datboyjon' answered it before. THX♡

The acceleration of the car with two (2) washers added is equal to 0.33 \(m/s^2\).

Given the following data:

An acceleration can be defined as the rate of change of velocity of an object with respect to time and it is measured in meter per seconds square.

In Science, the average acceleration of an object is calculated by subtracting its initial velocity from the final velocity and dividing by the change in time for the given interval.

Mathematically, average acceleration is given by this formula:

\(a = \frac{V\;-\;U}{t_f-t_i}\)

Where:  

Substituting the given parameters into the formula, we have;

\(a = \frac{0.36\;-\;0.13}{2.61\;-\;1.92}\\\\a=\frac{0.23}{0.69}\)

a = 0.33 \(m/s^2\)

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Answer:

Check attachment for your answer

Good luck

The percentage difference between Kₒw and Cᵢcw for the first two parts of the laboratory falls within acceptable ranges. The difference is 0.59 or less, which is excellent.

In the first two parts of the laboratory, the percentage difference between Kₒw (known forces balanced) and Cᵢcw is calculated.

A difference of 0.59 or less is considered excellent, indicating a high level of accuracy and precision in the measurements. This suggests that the experimental values closely match the expected values.

By meeting the criteria, it can be concluded that the experimental results for the first two parts of the laboratory are reliable and consistent.

The small percentage differences indicate that the measurements are within the acceptable range of uncertainty, providing confidence in the experimental procedure and data analysis.

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Complete question here:

Consider the percentage difference between the _ Kow and the C icw for the first two parts of the laboratory when known forces are balanced. A difference of 0.59 or less is excellent; difference of 1.0% or less is good, and difference of 2% or less is acceptable. Based on these criteria, describe your results for the first two parts of the laboratory and defend your statement Using the same criteria as in Question for the percentage differences_ describe your results for the determination of mass of the meter stick in Part 3 of the laboratory and fr the determination of the lever arm of the mass M4 in Part of the laboratory

The correct option is option (c): In Atrial Tachycardia, the P waves are commonly seen as irregular or have a sawtooth pattern.

Atrial Tachycardia is a condition characterized by a rapid heart rate originating from abnormal electrical activity in the atria of the heart. In this condition, the P waves, which represent the electrical activity generated by the atria, can exhibit certain characteristic patterns. One common finding in Atrial Tachycardia is irregular P waves.

The irregularity occurs because the electrical signals responsible for generating the P waves are not originating from the sinus node, the normal pacemaker of the heart, resulting in a lack of consistent rhythm. Another common presentation of P waves in Atrial Tachycardia is a sawtooth pattern, known as "sawtooth flutter waves."

These waves have a distinct appearance, resembling a series of sharp peaks and valleys, which can be observed on an electrocardiogram (ECG). The irregular or sawtooth P waves in Atrial Tachycardia can help differentiate this condition from other types of tachycardia and aid in its diagnosis.

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Given that,

distance = d = 1200m

velocity/speed = s = 50m/s

time = t

Also,

s = d/t

And,

t = d/s

t = 1200/50

t = 120/5

t = 24

Therefore, it takes 24s to travel.

Answer: Therefore, the travel time of a car that travels 1200 meters at 50 m/s is 24 seconds.

Explanation:

An object travels in a straight line for 1200 m at a velocity of 50 m/s, what is its time of travel?​

Data:

d = 1200 m

V = 50 m/s

t = ?

The formula for uniform motion is:

Where

We clear the formula for time t:

t = d/v

t = (1200 m)/(50 m/s)

t = 24 s

Therefore, the travel time of a car that travels 1200 meters at 50 m/s is 24 seconds.

Answer:

Explanation:

The magnetic field strength needed on the square loop to create a maximum torque of 320 N·m is approximately 43.24 N/A.

To calculate the magnetic field strength needed to create a maximum torque on a square loop, we can use the formula:

Torque (T) = N × B × A × sinθ

Where:

T = Torque

N = Number of turns in the loop

B = Magnetic field strength

A = Area of the loop

θ = Angle between the magnetic field and the plane of the loop

In this case, we are given:

N = 185 turns

A = (20.0 cm)² = 0.04 m² (since the loop is square)

T = 320 N·m

θ = 90 degrees (since the torque is maximum)

Rearranging the formula, we can solve for B:

B = T / (N × A × sinθ)

Substituting the given values:

B = 320 N·m / (185 × 0.04 m² × sin(90°))

B = 320 N·m / (7.4 m²)

B ≈ 43.24 N/A

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The question is -

Calculate the magnetic field strength needed on a 185-turn square loop 20.0 cm on a side to create a maximum torque of 320 N·m, if the loop is carrying 21 A.

T?

Answer:

a)15m/s

b)7.5m/s

Explanation:

a)use the formula for acceleration

b)calculate distance then calculate speed

Fission reactors are an important energy source, but environmental costs and issues are associated with their production. The most significant issue is the production of nuclear waste, which poses a serious threat to the environment and public health.

Nuclear waste is radioactive and can remain hazardous for thousands of years, making it difficult to safely dispose of. Moreover, it can contaminate water, soil, and air if disposed of improperly. Another issue is the high consumption of water required to cool the reactor, which can have a negative impact on aquatic life in rivers and lakes. Furthermore, the production and mining of uranium, which is the fuel for fission reactors, can lead to soil erosion and contamination. Additionally, uranium mining requires large amounts of energy, contributing to greenhouse gas emissions and other forms of pollution. In conclusion, producing energy through fission reactors results in several environmental costs and issues. While nuclear power is a clean source of energy compared to fossil fuels, its production and waste disposal methods pose serious environmental risks.

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Answer:

C. Equal to 0

Explanation:

voltage is only produced when the magnet is in motion. Hope this helps :)

Limiting the number of people that can explore certain areas can have many benefits for the environment, safety, and visitor experience.

What is Ecosystem?

An ecosystem is a community of living organisms interacting with each other and with their physical environment. It includes all the living things, such as plants, animals, and microorganisms, as well as the non-living components, such as air, water, soil, and sunlight. All these components work together to create a balanced and self-sustaining system. Every ecosystem has its own unique set of characteristics that depend on the geographical location, climate, and other factors. Examples of ecosystems include forests, deserts, oceans, and grasslands.

There are several reasons why governing bodies limit the number of people that can explore certain areas. First, it helps to preserve the natural environment and maintain the ecological balance. Overcrowding can cause damage to the ecosystem, disturb wildlife, and leave behind waste and debris that can have long-term impacts. By controlling the number of visitors, governing bodies can reduce the negative impact of human activities on the environment.

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Answer:

Think the last one

Explanation:

Plugging in these values gives an electric field of -1.07 x 10-8 N/C.

Electric field is a physical phenomenon that occurs when an electric charge is present in a space.

The electric field of a -3.2 nC charge from a distance of 6 m can be calculated using the equation E = kQ/r2, where k is Coulomb's constant (8.99x109 Nm2/C2), Q is the charge of the particle (in this case, -3.2 nC), and r is the distance from the particle (6 m). Plugging in these values gives an electric field of -1.07 x 10-8 N/C.

2. The electric field of a +3.2 nC charge from a distance of 6 m can be calculated using the same equation as in #1, E = kQ/r2, where k is Coulomb's constant (8.99x109 Nm2/C2), Q is the charge of the particle (in this case, +3.2 nC), and r is the distance from the particle (6 m). Plugging in these values gives an electric field of +1.07 x 10-8 N/C.

3. To find the distance between two +3.4 μC particles that experience a force of 0.01 C/m, we can use the equation F = kQ1Q2/r2, where k is Coulomb's constant (8.99x109 Nm2/C2), Q1 and Q2 are the charges of the two particles (in this case, +3.4 μC each), and r is the distance between them. Plugging in these values gives a distance of 5.81 m.

4. To find the distance between two -6 μC particles that experience a force of 0.03 C/m, we can use the same equation as in #3, F = kQ1Q2/r2, where k is Coulomb's constant (8.99x109 Nm2/C2), Q1 and Q2 are the charges of the two particles (in this case, -6 μC each), and r is the distance between them. Plugging in these values gives a distance of 1.31 m.

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When you increase the distance between the plates of a capacitor, the capacitance decreases. The capacitance of a capacitor is directly proportional to the area of the plates and inversely proportional to the distance between them.

To understand this concept, let's consider an analogy. Imagine two parallel plates of a capacitor as two buckets. The amount of water these buckets can hold is analogous to the capacitance. If you increase the distance between the buckets, the water capacity decreases because the area of the bucket's base remains the same, but the height between them is greater. Similarly, when you increase the distance between the plates of a capacitor, the ability to store charge decreases.

This relationship is mathematically expressed by the equation C = εA/d, where C is the capacitance, ε is the permittivity of the material between the plates, A is the area of the plates, and d is the distance between them. As you can see, if you increase d, the capacitance will decrease because it's in the denominator.

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Let's start with the concept of momentum. What is it? Linear momentum in physics is mathematically written as a product of mass and velocity of an object. Now let us suppose a body of mass m is moving in an inertial frame of reference with velocity v. Consider the fact that no external force is acting on the system. The momentum of this body is given by mv, where m is the mass and v is its velocity. In case of simple real world problems not delving into the realms of relativity, mass is a conserved quantity and it cannot be zero. Hence the velocity of the body must be zero and hence the momentum.

However, photons are considered to have a rest mass zero.

However note the point carefully "rest mass". A body in motion cannot have mass to be zero.

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Answer:

B is the answer

Explanation:

Magnetic fields are produced by moving electric charges and the intrinsic magnetic moments of elementary particles associated with a fundamental quantum property, their spin.