The theoretical velocity of a tsunami in the deep ocean is calculated by taking the square root of the product of __________.

A. The peak voltage that emerges from the transformer secondary is approximately 13.8V.

B. The peak voltage that appears across the load is approximately 13.8V.

C. The value of the filter capacitor needed to keep the ripple under 500mV cannot be determined without additional information.

D. The value of the ripple voltage cannot be estimated without specific values for V0, t, R, and C.

E. The average current charging the capacitor between cycles is approximately (13.8V / (2 * 2Ω)).

A. The peak voltage that emerges from the transformer secondary, we need to calculate the peak voltage of the wall outlet first. The peak voltage of a 117VRMS AC waveform can be calculated using the formula:

Peak Voltage = VRMS * √2

Substituting the given value, we have:

Peak Voltage = 117V * √2 ≈ 165.6V

Since the transformer is a step-down transformer with a 12:1 ratio, the peak voltage that emerges from the transformer secondary is:

Peak Voltage = 165.6V / 12 ≈ 13.8V

B. The peak voltage that appears across the load will be the same as the peak voltage from the transformer secondary, which is approximately 13.8V.

C. To determine the value of the filter capacitor needed to keep the ripple under 500mV, we can use the formula for ripple voltage in a capacitor filter:

Ripple Voltage = (Load Current / (2 * f * C)) * (1 - e^(-T / (R * C)))

Where:

Load Current = 300mA (given)

f = frequency = 60Hz (given)

C = capacitance (unknown)

T = time period = 1 / f = 1 / 60 ≈ 0.0167 seconds

R = load resistance = 2Ω (given)

Ripple Voltage = 500mV (given)

By rearranging the formula and solving for C, we can find the required capacitance value.

C ≈ Load Current / (2 * f * Ripple Voltage * (1 - e^(-T / (R * Ripple Voltage))))

Substituting the given values, we can calculate the capacitance needed.

D. The given differential equation V = V0 * e^(-t / (R * C)) represents the voltage across the capacitor as it charges. However, since the question does not provide specific values for V0, t, R, or C, it is not possible to estimate the value of the ripple voltage using this equation without additional information.

E. The average current charging the capacitor between cycles can be calculated using the formula:

Average Current = (Peak Voltage / (2 * Load Resistance))

Substituting the given values, we can calculate the average current.

Please note that to provide precise and accurate answers, specific values for V0, t, R, and C are required.

To know more about peak voltage refer here

https://brainly.com/question/46657881#

#SPJ11velocity

If bulb 1 burns out in a parallel circuit with three incandescent bulbs, bulbs 2 and 3 will remain lit, but the overall resistance of the circuit will decrease, resulting in an increase in the total current flowing through the circuit.

In a parallel circuit, each bulb has its own path to the power supply, so if one bulb burns out, the current can still flow through the other bulbs. Bulbs 2 and 3 in this case will remain lit because they are still receiving the same voltage as before, but the overall resistance of the circuit will decrease due to the absence of bulb 1. This is because the resistance of the circuit is determined by the sum of the individual resistances of each bulb, and with one bulb removed, the total resistance of the circuit decreases.

Since the voltage across the circuit remains the same, the decrease in resistance results in an increase in the total current flowing through the circuit, which can cause the remaining bulbs to become brighter than they were before. It is important to note that the increase in current could potentially cause bulb 3 to burn out faster than it would have if all three bulbs were still functioning, as it is the bulb with the larger resistance and therefore may not be able to handle the increased current.

Learn more about resistance here:

brainly.com/question/17044230

#SPJ11

A micrometer is used to measure the diameter of a length of copper wire. The zero error and scale reading are as shown.The correct answer should be the micrometer.

The micrometer is an instrument that is capable of measuring the component of an object to very high precision. It is used to obtain accurate measurements in engineering.

In the case of the copper wire, the diameter of 0.3 mm was an approximation and a more accurate measure of the diameter would be obtained by using the micrometer.A micrometer is used to measure the diameter of a length of copper wire. The zero error and scale reading are as shown.The correct answer should be the micrometer.

Therefore, A micrometer is used to measure the diameter of a length of copper wire. The zero error and scale reading are as shown.The correct answer should be the micrometer.

Learn more about micrometer on:

https://brainly.com/question/2176082

#SPJ2

Answer: 1102.5 meters

Explanation:

Answer:

383.2

Explanation:

W=m×g(9.8)×(change in height)

=3×9.8× (45-32)

=3×9.8×13

=383.2

To determine the angle at which first-order diffraction from layers of atoms occurs, we can use Bragg's law, which relates the wavelength of the X-rays, the spacing between the layers of atoms, and the angle of diffraction. Bragg's law is given by:

nλ = 2dsinθ

Where:

n is the order of the diffraction (in this case, n = 1 for first-order diffraction)

λ is the wavelength of the X-rays

d is the spacing between the layers of atoms

θ is the angle of diffraction

We can rearrange the formula to solve for the angle θ:

θ = arcsin(nλ / 2d)

Plugging in the values given in the question:

n = 1 (first-order diffraction)

λ = 120 pm = 120 × 10^(-12) m

d = 150.0 pm = 150.0 × 10^(-12) m

θ = arcsin((1 × 120 × 10^(-12) m) / (2 × 150.0 × 10^(-12) m))

Now, let's calculate the angle using the formula:

θ = arcsin(0.4)

Using a scientific calculator or math software, we find that:

θ ≈ 23.578 degrees

Therefore, the first-order diffraction from layers of atoms 150.0 pm apart occurs at an angle of approximately 23.578 degrees.

Learn more about Bragg's law : brainly.com/question/14617319

#SPJ11

The phenomenon of pressure waves emanating from the bullet, causing damage remote from its path, is known as B. cavitation.

Cavitation occurs when a bullet passes through a medium, like air or water, at high velocity, causing the medium to compress and expand rapidly. The rapid compression and expansion create a series of shock waves that can cause damage beyond the path of the bullet itself. Cavitation can cause damage to objects as well as tissue and organs, as the shock waves cause significant disruption. The effects of cavitation can be seen in other forms of high-velocity projectiles, such as missiles. Cavitation can also be used in underwater applications to create shock waves that can be used to clear debris or even kill marine life.

In summary, cavitation is the phenomenon of pressure waves emanating from a bullet, causing damage remote from its path. This phenomenon can cause considerable damage beyond the path of the bullet, as well as having practical applications in underwater engineering. Therefore the correct option is B

Know more about cavitation here:

https://brainly.com/question/20713735

#SPJ11  

the work done to raise a 25kg book to a 1.5 m shelf is 367.5J and the potential energy of the book will be 367.5

Work done by a force is equal to the scalar product of the force applied and displacement. If d displacement happens on applying a force F, then work done, W by the force is

W = F. d

given:

mass, m = 25 kg

height, d = 1.50 m

work has to be done against the weight of the book, F = mg

work done W = F. d

W = mgd

W = (25) ×(9.8)×(1.50)

W = 367.5 J

This work is stored as the potential energy of the book.

Therefore, the work done to raise a 25kg book to a 1.5 m shelf is 367.5J and the potential energy of the book will be 367.5J

To know more about work, click here:

https://brainly.com/question/18094932

#SPJ4

Answer:

The force that pulls the car down is Wₓ = 14052.6 N and the one that pushes the car up is F = 26552.6 N

Explanation:

For this exercise we will use Newton's second law, let's set a reference system where the x axis is parallel to the plane, in the adjoint we can see the forces in the system.

           sin  35 = Wₓ / W

            cos 35 = W_y / W

            Wₓ = W sin 35

            W_y = W cos 35

            Wₓ = 2500 9.8 sin 35

             Wₓ = 14052.6 N

let's write the equations for each axis

and

Y axis  

       N-W_y = 0

       N = W_y

X axis  

       F -Wₓ = m a

       F = Wₓ + m a = mg sin 35 + m a

       F = m (a + g sin 35)

let's calculate

       F = 2500 (5 + 9.8 sin 35)

       F = 26552.6 N

The force that pulls the car down is Wₓ = 14052.6 N and the one that pushes the car up is F = 26552.6 N

The system described by the transfer function G(s) = -co² s² + 2a + w², with a damping ratio of 1.3 and a natural frequency of 0.5, has an overdamped unit step response. So, the correct option is (E)

The transfer function of the system is given as G(s) = -co² s² + 2a + w², where co represents the damping ratio, a represents an arbitrary constant, and w represents the natural frequency of the system. We are given that the natural frequency is 0.5 and the damping ratio is 1.3.

To determine the type of unit step response, we need to analyze the damping ratio (co) in relation to the critical damping value (co_critical).

The critical damping ratio (co_critical) is defined as the value where the system is on the threshold between being overdamped and underdamped. It is given by the formula co_critical = 2 * sqrt(a * w²).

In our case, the natural frequency (w) is 0.5, so we can calculate co_critical as follows: co_critical = 2 * sqrt(a * 0.5²).

Since the damping ratio (co) is given as 1.3, we can compare it with co_critical to determine the type of unit step response.

If co > co_critical, the system is considered overdamped (Option E).

If co = co_critical, the system is considered critically damped (Option D).

If co < co_critical, the system is considered underdamped (Option C).

Based on the given values, we can determine that the system is overdamped (Option E) because the damping ratio (1.3) is greater than the critical damping ratio.

To know more about damping ratios, refer here:

https://brainly.com/question/31463018#

#SPJ11

The refrigerator is removing 300 watts of heat every hour.

Energy can only be changed in form; it cannot be created or destroyed, according to the basic law of thermodynamics. For any system, energy transfer examples include mass crossing the control boundary, external work, or heat transfer across the barrier. These have an impact on the energy reserves of the control volume.

The rate of heat removal from within the refrigerator may be calculated using the formula below thanks to the First Law of Thermodynamics and the definition of a refrigeration cycle.

Rate of heat transfer to the space, measured in watts.

Q=800 W W=500

The refrigerator removes heat at a rate of (800-500) 300 watts per hour.

Learn more about the heat here brainly.com/question/22991067

#SPJ1

Answer:

2,3,1

Explanation:

There are 3 laws of Kepler.

First law = The path of each planet around the sun is an ellipse with the sun at one focus.

Second law =  As a planet moves in its orbit, a line from the sun to the planet sweeps out equal areas in equal times.

Third law = The ratio of the squares of the periods of any two planets revolving around the sun is equal to the ratio of the cubes of their average distance from the sun.

Hence, the correct order for Kepler's law is: 2,3,1

Answer:

Resultant horizontal force = 143 N

Explanation:

Since the a gle is 30° northwest, then it means the resultant force will be horizontal and as such;

Resultant horizontal force = 165 * cos 30

Resultant horizontal force = 142.89

Approximating to a whole number gives;

Resultant horizontal force = 143 N

Answer:

A

Explanation:

Dropping the magnet its weaknging the structure

Answer: Cognitive

Explanation:

Cognition can be defined as the process of obtaining the knowledge and learning through the experience, senses and thought. Many psychologists can have similar experiences of learning the psychological framework of the society or at the individual level. Thus this can be said that the cognitive psychologist may have similar interests.

A gas stream with a stagnation pressure (p0) and a stagnation density (0) discharges to an open environment at pressure (patm). The gas stream will expand when it discharges.

into the open environment in this situation, producing a reduction in pressure and density. The final pressure and density of the gas stream will be determined by a number of variables, including the beginning circumstances (p0 and 0) and ambient pressure (patm). Using the concept of continuity and the law of thermodynamics, the change in pressure and density may be estimated. According to the concept of continuity, the mass flow rate of a fluid must remain constant along a streamline. The law of thermodynamics describes the relationship between changes in energy, temperature, and entropy of a system.

learn more about  pressure here:

https://brainly.com/question/12971272

#SPJ4

The evolution of energy matrices, the social and environmental consequences of energy sources, and the relationship between energy development and industrial development are critical aspects of understanding the interplay between energy and the modern world. Balancing the need for energy with sustainability and minimizing environmental impacts is a key challenge for societies today.

a) The evolution of the main energy matrices after the industrial revolution:

The industrial revolution marked a significant shift in the sources of energy used to power the growing industries and societies. Prior to the industrial revolution, human and animal labor, along with limited use of water and wind power, were the primary sources of energy. However, with the advent of steam engines and mechanization, there was a need for more abundant and efficient sources of energy.

Coal: Coal became the dominant energy source during the early stages of the industrial revolution. It provided the necessary fuel for steam engines and played a crucial role in powering factories, railways, and steamships.

Oil: The discovery and commercialization of oil in the late 19th century revolutionized the energy landscape. Oil became a major source of energy for transportation, as it fueled the internal combustion engines of automobiles, trucks, and airplanes.

Natural Gas: With the expansion of oil drilling, natural gas also emerged as an important energy source. It is used for heating, electricity generation, and as a feedstock for various industrial processes.

Nuclear Energy: The development of nuclear power in the mid-20th century introduced a new source of energy. Nuclear reactors harness the energy released from nuclear fission reactions to generate electricity.

Renewable Energy: In recent decades, there has been a growing emphasis on renewable energy sources such as solar, wind, hydroelectric, and geothermal power. These sources offer sustainable alternatives to fossil fuels, with lower environmental impact and the potential for long-term energy security.

b) The social and environmental consequences of these energy sources:

Each energy source has its own social and environmental consequences:

Fossil Fuels: The burning of fossil fuels, such as coal, oil, and natural gas, releases greenhouse gases and contributes to climate change. Extraction of fossil fuels can lead to habitat destruction, water pollution, and health hazards for workers and nearby communities.

Nuclear Energy: While nuclear energy does not produce greenhouse gas emissions during operation, it presents risks associated with accidents, radioactive waste disposal, and potential weaponization of nuclear materials. Public safety concerns and environmental risks have led to debates over the use of nuclear power.

Renewable Energy: Renewable energy sources offer benefits in terms of reduced greenhouse gas emissions and environmental sustainability. However, their deployment may require land use changes, and some technologies (e.g., large-scale hydroelectric dams) can cause ecological disruptions and displacement of communities.

c) The relationship between energy development and degree of industrial development:

Energy development and industrial development are closely intertwined. The availability of affordable and reliable energy sources is crucial for driving industrialization and economic growth. Access to abundant energy resources enables countries to power their industries, expand transportation networks, and improve living standards.

Countries that have invested in the development and exploitation of energy sources have typically experienced accelerated industrialization and technological advancement. The ability to secure and utilize energy resources efficiently has been a determining factor in a country's competitiveness and economic prosperity.

Conversely, countries that lack access to energy sources or fail to invest in their energy sectors may face challenges in industrial development. Limited energy availability can constrain production capacities, limit access to modern technologies, and hinder economic progress.

To know more about Renewable Energy

https://brainly.com/question/27430407

#SPJ11

Answer:

The lifeguard should run approximately 17.752 meters along the shore, before, jumping in the water

Explanation:

The given parameters are;

The rate at which the lifeguard runs = 5 m/s

The rate at which the lifeguard swims = 1 m/s

The horizontal distance of the child from the lifeguard = 30 meters along the shore

The vertical distance of the child from the lifeguard = 60 meters along the shore

Let x represent the distance the lifeguard runs

We have;

The distance the lifeguard swims = √((30 - x)² + 60²)

Time = Distance/Speed  

The time the lifeguard runs = x/5

The time the lifeguard swims = √((30 - x)² + 60²)/1

The total time = √((30 - x)² + 60²) + x/5

The minimum time is given by finding the derivative and equating the result to zero, as follows;

Using an online application, we have;

d(√((30 - x)² + 60²) + x/5)/dx = 1/5 - (30 - x)/(√((30 - x)² + 60²)) = 0

Which gives;

1/5 - (30 - x)/(√(x² - 60·x + 4500) = 0

(30 - x)/(√(x² - 60·x + 4500)) = 1/5

5×(30 - x) = √(x² - 60·x + 4500)

We square both sides to get;

(5×(30 - x))² = (x² - 60·x + 4500)

(5×(30 - x))² - (x² - 60·x + 4500) = 0

25·x² - 1500·x + 22500 - x² + 60·x - 4500 = 0

24·x² - 1440·x + 18000 = 0

Dividing n=by 24 gives;

24/24·x² - 1440/24·x + 18000/24 = 0

x² - 60·x + 750 = 0

By the quadratic formula, we have;

x = (60 ± √((-60)² - 4×1×750))/(2 × 1) =

Using an online application, we have;

x = (60 ± 10·√6)/(2)

x = 30 + 5·√6 or x = 30 - 5·√6

x ≈ 42.25 m and x ≈ 17.752 m

At x = 42.25

Time = √((30 - 42.247)² + 60²) + 42.247/5 ≈ 69.69 seconds

At x = 17.75

Time = √((30 - 17.752)² + 60²) + 17.752/5 ≈ 64.79 seconds

Therefore, the route with the shortest time is when the lifeguard runs approximately 17.752 meters (rounded to three decimal places) along the shore, before, diving in the water

Answer:

the correct answer is C

Explanation:

When we express that the scale is 1:30 we mean that the objects of the realization are reduced by a factor of 30 in the graph, for example a distance of 30 cm in the graph is represented by a distance of 1 cm.

Therefore something that in the graph has n value to bring it to real size must be multiplied by the scale.

Applying this to our case if there is

               10 boulder on the chart

in reality there are #_boulder = 10 30

                                #_boulder = 300 boulder

so the correct answer is C

Answer:

a

Explanation:

Answer:

3

Explanation:

period=1\time

period=1\3

period=0.3

The time taken for the coffee to cool from 93°C to 73°C is approximately 36.1 minutes.

The cooling law is given by:

$$\frac{dQ}{dt}=-k(T-T_0)$$

where Q is the heat in the object, t is the time taken, T is the temperature of the object at time t, T0 is the temperature of the environment and k is a constant known as the cooling constant.

We need to find the time it takes for the coffee to reach a drinking temperature of 73°C given that its initial temperature is 93°C.

Therefore, we need to find the time it takes for the coffee to cool down from 93°C to 73°C when placed in a room temperature of 18°C.

Let’s assume that the heat energy that is lost by the coffee is equal to the heat energy gained by the environment. We can express this as:

dQ = - dQ where dQ is the heat energy gained by the environment.

We can substitute dQ with C(T-T0) where C is the specific heat capacity of the object.

We can rearrange the equation as follows:

$$-\frac{dQ}{dt}=k(T-T_0)$$

$$-\frac{d}{dt}C(T-T_0)=k(T-T_0)$$

$$\frac{d}{dt}T=-k(T-T_0)$$

The differential equation above can be solved using separation of variables as follows:

$$\frac{d}{dt}\ln(T-T_0)=-k$$

$$\ln(T-T_0)=-kt+c_1$$

$$T-T_0=e^{-kt+c_1}$$

$$T=T_0+Ce^{-kt}$$

where C = e^(c1).

We can now use the values given to find the specific value of C which is the temperature difference when t=0, that is, the temperature difference between the initial temperature of the coffee and the room temperature.

$$T=T_0+Ce^{-kt}$$

$$73=18+C\cdot e^{-0.09t}$$

$$55=C\cdot e^{-0.09t}$$

$$C=55e^{0.09t}$$

$$T=18+55e^{0.09t}$$

We can now solve for the value of t when T=93 as follows:

$$93=18+55e^{0.09t}$$

$$e^{0.09t}=\frac{93-18}{55}$$

$$e^{0.09t}=1.3636$$

$$t=\frac{\ln(1.3636)}{0.09}$$

Using a calculator, we can find that the time taken for the coffee to cool from 93°C to 73°C is approximately 36.1 minutes.

For more such questions on time, click on:

https://brainly.com/question/26046491

#SPJ8

Large scale extraction is vital to the economy of mining towns is the correct option.

Large scale extraction is very important to the economy of mining towns because the minerals are very valuable which can be sold at high prices which leads to increase in income of a country but this large extraction also disturbs the surrounding environment.

So we can conclude that Large scale extraction is vital to the economy of mining towns is the right option.

Learn more about mineral here: https://brainly.com/question/5039704

Answer:

Large scale extraction is vital to the economy of mining towns is right

Explanation:

Answer:

1. 2.5s

Explanation:

1. For time, divide Distance / speed

25m / 10

=2.5s

Answer:

the net force is 330N

Explanation:

Answer:

270N to the left

Explanation:

Since the 3 individual forces are all parallel to each other and effect the x-axis, you can add and subtract them to find the net force.

The three forces are:

200 N to the LEFT

300 N to the LEFT

230 N to the RIGHT

First, add up any multiples of forces with the same direction. Basically, add up all the forces going LEFT and all going RIGHT.

200 N + 300 N = 500 N LEFT

230 N RIGHT

In order to find resultant magnitude you must now subtract the larger force from the smaller force. The resultant direction will be in the direction of the larger force.

Magnitude of Net Force: 500 N - 230 N = 270 N

Net Force Direction: Direction of larger force: Direction of 500N force: LEFT

i hate you right now..... im gonna be thinking about this all day now....... ohhhhhhh no i need my 5 monsters now cause i aint sleepin now......

Answer:

Mercurio

Masa

3,285 × 10^23 kg

Mercurio está a una distancia promedio de 48 millones de millas (77 millones de kilómetros) de la Tierra.

Venus

Masa

4.867 × 10^24kg

En su punto más cercano a la Tierra, Venus está a unos 61 millones de kilómetros (38 millones de millas) de distancia.

tierra

Masa

5.972 × 10^24kg

Marte

Masa

6,39 × 10^23 kg

La distancia mínima de la Tierra a Marte es de unos 54,6 millones de kilómetros (33,9 millones de millas).

Júpiter

Masa

1.898 × 10^27kg

Debido a que ambos planetas viajan en una trayectoria elíptica alrededor del sol, la distancia de Júpiter a la Tierra cambia constantemente. Cuando los dos planetas están en su punto más cercano, la distancia a Júpiter es de solo 365 millones de millas (588 millones de kilómetros).

Saturno

Masa

5.683 × 10^26kg

Su distancia más cercana a la Tierra es de aproximadamente 1.200 millones de kilómetros (746 millones de millas)

Urano

Masa

8.681 × 10^25kg

la distancia entre la Tierra y Urano cambia diariamente. Lo más cerca que están los dos es 1.600 millones de millas (2.600 millones de kilómetros).

Neptuno

Masa

1.024 × 10^26kg

Cuando Neptuno y la Tierra se alinean en el mismo lado del sol, en su punto más cercano, están a solo 2,700 millones de millas (4,300 millones de kilómetros)

masa de Plutón =

1.30900 × 10^22 kilogramos

Plutón se encuentra a 4670 millones de millas (7500 millones de kilómetros) de la Tierra. En su punto más cercano, los dos están a solo 2660 millones de millas (4280 millones de km) de distancia.

Answer:

The luminosity remains the same, but the apparent brightness is decreased by a factor of four.

Explanation:

The apparent brightness, F = L/4πr² where L = luminosity and r = distance between us and the star.

Since L is independent of the distance between us and the star, it is constant, then

F ∝ 1/r²

So, F₁/F₂ = r₂²/r₁² where F₁ = apparent brightness at r₁ and F₂ = apparent brightness at r₂

If the distance is doubled, that is r₂ = 2r₁, then

F₁/F₂ = r₂²/r₁²

F₁/F₂ = (2r₁)²/r₁²

F₁/F₂ = 4r₁²/r₁²

F₁/F₂ = 4

F₂ = F₁/4

So, since the luminosity is constant, the luminosity remains the same, but the apparent brightness is decreased by a factor of four.

The splitting of water using light energy is called photolysis.

Photolysis is a chemical process in which water molecules are broken down into their constituent parts, hydrogen (H2) and oxygen (O2), using light energy. This process occurs during photosynthesis in plants and algae, specifically in the light-dependent reactions of photosynthesis.

Photolysis is an essential step in the production of oxygen and the generation of energy-rich molecules like ATP and NADPH during photosynthesis. It involves the absorption of light energy by specialized pigments, such as chlorophyll, which triggers the splitting of water molecules. The liberated oxygen is released into the atmosphere, while the hydrogen atoms are utilized in the synthesis of energy-rich compounds. Photolysis is a vital process that sustains life on Earth by contributing to the production of oxygen and the storage of energy in organic molecules.

To know more about light energy click here:

https://brainly.com/question/32493476

#SPJ11