what is the frequency of the second overtone if the fundamental frequency is 308 hz
A. 154hz
B. 924hz
C. 308hz
D 616hz

A satellite travels at a constant speed, its shape is a circle.

An integrated receiver and transmitter of radio signals known as a transponder, a satellite is essentially a self-contained communications system that can receive signals from Earth and retransmit those signals back to Earth.

The three primary parts of a satellite are the propulsion system, which includes the rockets that move the satellite, the power system, which includes the solar panels that supply power, and the communications system, which includes the antennae and transponders that receive and retransmit signals. To enter into the proper orbit and periodically adjust its position, a satellite needs a propulsion system of its own.

To learn more about satellites, visit the link below:

brainly.com/question/14233179

#SPJ4

a) Highest to lowest mechanical advantage:

Machine C

Machine A

Machine B

b) Highest to lowest efficiency:

Machine A

Machine C

Machine B

Mechanical advantage is described as a measure of the force amplification achieved by using a tool, mechanical device or machine system.

Mechanical advantage = Output force / Input force = 50 N / 6 N = 8.33 is machine C

Mechanical advantage = Output force / Input force = 20 N / 5 N = 4 is machine A

Mechanical advantage = Output force / Input force = 25 N / 10 N = 2.5 is machine B

b) Highest to lowest efficiency:

Efficiency = Output work / Input work = (20 N)(2 m) / (5 N)(4 m) = 0.8 or 80% is machine A

Efficiency = Output work / Input work = (50 N)(27 m) / (6 N)(20 m) = 0.5625 or 56.25% is machine C

Efficiency = Output work / Input work = (25 N)(200 m) / (10 N)(3.5 m) = 0.35714 or 35.71% is machine B.

Learn  more about Mechanical advantage at: https://brainly.com/question/18345299

#SPJ1

Answer:

water boiled and turned into gas

Explanation:

Answer:

fhdfhiffifioo

Explanation:

The problem requires us to determine the total signal loss of a transmitter that operates at 2.4 GHz and is connected to an antenna by a 94 feet long LMR-600 cable, given that the cable connector has a loss of 0.47 dB.What is signal loss.

The signal loss refers to the reduction of strength of a signal while it travels through a medium or transmission system from the transmitter to the receiver. In communication systems, signal loss can occur in a cable, antenna, or other components. The total signal loss depends on the specific system used, cable attenuation, connector type, and the distance between the transmitter and receiver.

The total signal loss can be determined as the sum of the cable loss and the connector loss. Total Signal Loss(dB) = Cable Loss(dB) + Connector Loss(dB)  = 0.508 dB + 0.47 dB = 0.978 dBTherefore, the total signal loss of the transmitter connected to the antenna by a 94 feet long LMR-600 cable, assuming that the cable connector has a loss of 0.47 dB, is 0.978 dB, approximately.

To know more about approximately visit:

https://brainly.com/question/31695967

#SPJ11

The Kidney transplants are a highly sought after treatment option for individuals with kidney failure. However, not everyone who needs a kidney transplant can have potential one due to several reasons. One of the primary reasons is the shortage of donor organs.

There are far fewer organs available than there are individuals who need them. Additionally, not everyone is eligible to receive a transplant. Individuals with certain medical conditions, such as cancer or infections, may not be suitable candidates for a transplant. Age and overall health can also be factors that affect eligibility. Even for those who are eligible and have a suitable donor, the process of finding a compatible donor can be lengthy. Dialysis machines are used to help keep individuals with potential kidney failure alive while they wait for a transplant or until their condition improves. Dialysis can be time-consuming, uncomfortable, and can require multiple sessions a week. In conclusion, while kidney transplants can be a life-changing treatment option for individuals with kidney failure, the scarcity of donors, eligibility requirements, and the time-consuming process of finding a compatible donor can limit access to this treatment option. Dialysis machines remain an essential treatment option for those who cannot receive a transplant.

learn more about potential here.

https://brainly.com/question/16267680

#SPJ11

Option C, "The objective forms a virtual image," is normally not a characteristic of a simple two-lens refracting astronomical telescope.

A simple two-lens refracting astronomical telescope typically consists of an objective lens and an eyepiece lens. The objective lens forms a real image at its focal point, and the eyepiece lens magnifies and focuses this image for the observer.

Option A states that the angular size of the final image is larger than that of the object. This is typically true for telescopes as they are designed to magnify distant objects and make them appear larger.

Option B states that the final image is virtual. In a refracting telescope, the final image is virtual, meaning it appears to be formed behind the eyepiece. This is a characteristic of such telescopes.

Option C states that the objective forms a virtual image. However, in a simple two-lens refracting astronomical telescope, the objective lens forms a real image at its focal point. The eyepiece then magnifies this real image to create the final virtual image.

Option D states that the final image is inverted. This is generally true for refracting telescopes, as the light rays undergo refraction at both the objective and eyepiece lenses, resulting in an inverted image. Therefore, the characteristic that is normally not associated with a simple two-lens refracting astronomical telescope is option C, which states that the objective forms a virtual image.

learn more about astronomical telescope Refer: https://brainly.com/question/31030488

#SPJ11

The average velocity is given by

Where d is the distance covered and t is the time taken.

For the given case, we have

d = 75 m

t = 8.9 s

Therefore, the average speed of the hockey player is 8.43 m/s

The hockey player is moving at a speed of 9.5 m/s.

Answer:

Nichrome wire is commonly used as a heating element in various applications due to its high resistance to heat and corrosion. Here are two examples of its use as a heating element:

1. Toaster: Nichrome wire is used in the heating elements of a toaster. The wire is coiled around a support structure and when electrical current flows through it, it heats up and toasts the bread.

2. Hair Dryer: Nichrome wire is also used in the heating element of a hair dryer. The wire is coiled around a ceramic core and when electrical current flows through it, it heats up the air flowing over it, which then dries the hair.

Answer:

hair dryer and toaster

Explanation:

nicrome wire uses as heating element because it offers a very large resistance.So,large amount of electric energy converts into heat energy.

Answer:

The final velocity of the train and the moose after collision is approximately 19.51 m/s

Explanation:

The given mass of the moose, m₁ = 250 kg

The velocity of the moose, v₁ = 0

The mass of the oncoming train, m₂ = 10,000 kg

The velocity of the train, v₂ = 20 m/s

The velocity of the moose and the train after collision = v₃

By the principle of conservation of linear momentum, the total initial momentum before the collision = The total final momentum after collision

m₁·v₁ + m₂·v₂ = (m₁ + m₂)·v₃

Therefore, by substitution, we have;

250×0 + 10,000× 20 = (10,000 + 250) × v₃

200,000 = 10,250 × v₃

v₃ = 200,000/10,250 ≈ 19.51 m/s

The final velocity of the train and the moose after collision = v₃ ≈ 19.51 m/s

Answer:

The answer is A) byee!!

Explanation:

The "weight" of an object can be determined by multiplying its mass by the acceleration due to gravity of the Earth. The acceleration due to gravity on Earth is around 9.81 m/s².

Therefore, the weight of the space lander on Earth would be:Weight = Mass x Acceleration due to gravity= 600 kg x 9.81 m/s²= 5886 N (newtons)What is the "weight" of this space vehicle on Venus itself?The weight of the space lander on Venus can be determined using Newton's Law of Gravitation. Newton's Law of Gravitation states that every point mass in the universe attracts every other point mass with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. F = G x (m₁m₂/d²)where F is the force of gravity G is the gravitational constant (6.67 x 10^-11 Nm²/kg²)m₁ is the mass of the first objectm₂ is the mass of the second objectd is the distance between the centers of the two objects Using the given values;Mass of space lander, m₁ = 600 kg

Mass of Venus, m₂ = 4.867 x 10²⁴ kg Diameter of Venus = 12,100 km or 1.21 x 10^7 meters (distance between the centers of the two objects)G = 6.67 x 10^-11 Nm²/kg²

F = ((m₁m₂)/d²) x G= (600 x 4.867 x 10²⁴)/(1.21 x 10^7)² x 6.67 x 10^-11

= 2364.19 N

Therefore, the weight of the space lander on Venus would be approximately 2364.19 N (newtons).

To know more about Law of Gravitation visit:-

https://brainly.com/question/858421

#SPJ11

the output voltage of the transformer that has 1,000 turns of wire in the primary coil and 50 turns in the secondary coil is 120 V

A transformer is an electrical device that transfer electric energy from one circuit to another.

To calculate the output voltage of the transformer, we use the formula below.

Formula:

Where:

Make V' the subject of the equation

From the question,

Given:

Substitute these values into equation 2

Hence, the output voltage of the transformer that has 1,000 turns of wire in the primary coil and 50 turns in the secondary coil is 120 V.

Learn mor about transformer here: https://brainly.com/question/148412

I think Is b the first question

Answer:

the momentum is 50 kg m/s

Explanation:

The computation of the momentum is shown below;

As we know that

Momentum = mass × velocity

where

mass = 5 kg

And, the velocity is 10 m/s

So, the momentum is

= 5 × 10

= 50 kg m/s

Hence, the momentum is 50 kg m/s

Answer: D- Each chromosome in a cell is made up of two chromatids, which are each made up of molecules of DNA

Explanation:

A macromolecule is a large molecule that is made of many smaller units. Chromosomes are macromolecules that contain all of the genetic information in a cell. Chromosomes are each made of two smaller units called chromatids. Chromatids are each made up of molecules of DNA. Therefore, the correct description of the hierarchy of genetic material in a cell is that each chromosome in a cell is made up of two chromatids, which are each made up of molecules of DNA. The structures become more and more microscopic as one moves down the hierarchy.

ANSWER

2304 mg

EXPLANATION

The rate is given in mg per minute. To find how much the brain's mass increases in one day we have to find how many minutes are in a day.

Assuming that a day has 24 hours and 1 hour has 60 minutes:

One day has 1440 minutes. Then, in one day the brain's mass increases:

The newborn baby's brain's mass increases 2304 mg in one day.

Answer:

5.02s

Explanation:

I got it right in acellus :)

The period of the oscillation when Tarzan is swinging back and forth so it should be 5.01 seconds.

Since

Length L = 6.25 m

g = 9.8 m/s²

So,

T = 2π√(L/g)

T = 2π√(6.25 / 9.8)

T = 5.01 sec

Hence, The period of the oscillation when Tarzan is swinging back and forth so it should be 5.01 seconds.

Learn more about oscillation here: https://brainly.com/question/26044136

The maximum tension the string can withstand is approximately 50.265 Newtons.

To find the maximum tension the string can withstand, we can use the centripetal force equation:

F = \((m * v^2) / r\)

where F is the tension in the string, m is the mass, v is the linear velocity, and r is the radius of the circular path.

First, we need to find the linear velocity (v) of the mass. The linear velocity is given by the formula:

v = (2πr) / T

where T is the period of revolution.

Given that the period of revolution is 0.25 seconds and the radius of the circular path is 40 cm (0.4 m), we can calculate the linear velocity:

v = (2π * 0.4 m) / 0.25 s

v ≈ 10.053 m/s

Now, we can substitute the values into the centripetal force equation:

F =\((m * v^2) / r\)

Given that the mass is 200 grams (0.2 kg) and the radius is 40 cm (0.4 m), we can calculate the maximum tension:

F = \((0.2 kg * (10.053 m/s)^2) / 0.4 m\)

F ≈ 50.265 N

To know more about tension refer here

https://brainly.com/question/30470948#

#SPJ11

Answer:

See the answers below.

Explanation:

We must apply the definition of density which is the ratio of mass to volume.

\(Ro=m/v\)

where:

Ro = density = 2560 [kg/m³]

m = mass [kg]

v = volume [m³]

With the column height data and column radius we can calculate the volume, since it resembles the volume of a cylinder. In this way the volume of a cylinder is defined by the following expression.

\(V=\pi *r^{2}*h\)

where:

r = radius = 45 [cm] = 0.45 [m]

h = height = 2.72 [m]

\(V = \pi *(0.45)^{2}*2.72 \\V = 1.73 [m^{3} ]\)

a)

The mass can be calculated as follows.

\(m=Ro*V\\m=2560*1.73\\m= 4428.8 [kg]\)

ii)

Pressure is defined as the relationship of force over an area.

The area can be calculated with the radius of the cylinder.

\(A=\pi *r^{2}\\A = \pi *(0.45)^{2}\\A = 0.636 [m^{2} ]\)

Therefore

\(P=F/A\\where:\\F=m*g\\F=4428.8*9.81\\F=43446.53[N]\)

\(P=43446.53/0.636\\P=68312.15[Pa]\\P=68.31[kPa]\)

iii)

If the pressure is very large we must analyze the pressure equation again.

\(P=\frac{F}{A}\)

We can see that the pressure depends on the strength (weight) and the area of the column. In this way if we increase the value of the area (denominator) we see that the pressure decreases.

If the new Radius is 50 [cm] = 0.5 [m]

\(A=\pi *(0.5)^{2}\\A = 0.785 [m^{2} ]\)

Now we can calculate again the pressure.

\(P=43446.53/0.785\\P=55317.84[Pa]=55.32[kPa]\)

We can see the reduction in pressure.

Answer:

its electric or magnetic fields, i think its electric fields

Hope its right

The average power delivered to the 1 kΩ resistor by the given current is approximately 0.05 watts.

To compute the average power delivered to a 1kohm resistor by a current of 10*cos(10t+30) ma, we need to use the formula for average power, which is P_avg = (1/2)*Vrms*Irms*cos(phi), where Vrms and Irms are the root-mean-square values of voltage and current, and phi is the phase angle between them.

In this case, the resistor value is given as 1kohm, and the current is 10*cos(10t+30) ma, which means its amplitude is 10 mA and its frequency is 10 Hz with a phase angle of 30 degrees.

To find the root-mean-square current Irms, we need to square the current function, take its average over one period, and then take the square root of the result. This gives us Irms = 7.07 mA.

To find the phase angle between the current and voltage, we need to know the voltage waveform across the resistor. Assuming it is a pure resistance, the voltage waveform will be in phase with the current waveform, so phi = 0 degrees.

Finally, we can compute the average power as P_avg = (1/2)*Vrms*Irms*cos(phi) = (1/2)*(7.07 mA)*(7.07 mA)*1000 ohm*cos(0 degrees) = 25 mW.

Therefore, the average power delivered to the 1kohm resistor by a current of 10*cos(10t+30) ma is 25 mW.
To compute the average power delivered to a 1 kΩ resistor by a current of 10*cos(10t+30) mA, follow these steps:

1. Convert the current to amperes: 10 mA = 0.01 A
2. Write the current function: i(t) = 0.01*cos(10t + 30)
3. Determine the resistor value: R = 1 kΩ = 1000 Ω
4. Apply the power formula: P(t) = i(t)^2 * R
5. Substitute the current function: P(t) = (0.01*cos(10t + 30))^2 * 1000
6. Compute the average power over one period (0 to 2π): P_avg = (1/(2π)) * ∫(0.01*cos(10t + 30))^2 * 1000 dt from 0 to 2π
7. Solve the integral: P_avg ≈ 0.05 W

The average power delivered to the 1 kΩ resistor by the given current is approximately 0.05 watts.

For more information on resistor visit:

brainly.com/question/24297401

#SPJ11

When an object travels in a circle, it experiences a centripetal force which is directed towards the center of the circle. This force is given by:

F = m * v^2 / r

where F is the centripetal force, m is the mass of the object, v is its speed, and r is the radius of the circular path.

In this case, the mass of the vehicle is 1500 kg, the speed is 22 m/s, and the radius of the circle is 85 m. Plugging these values into the equation above, we get:

F = 1500 kg * (22 m/s)^2 / 85 m = 906.35 N

So, the centripetal force acting on the vehicle is 906.35 N.

The direction of the centripetal force is towards the center of the circle, which provides the necessary force to keep the vehicle moving in a circular path.

In conclusion, when a 1500-kg vehicle travels at a constant speed of 22 m/s around a circular track that has a radius of 85 m, it experiences a centripetal force of 906.35 N, which is directed towards the center of the circular path. This force is necessary to maintain the circular motion of the vehicle and prevents it from moving in a straight line.

To know more about velocity, visit:

https://brainly.com/question/80295

#SPJ11

The photoelectric effect is observed when light interacts with matter, specifically when photons (particles of light) transfer their energy to electrons in an atom or a material. The correct answer is A. When an electric current results from light shining on a surface.

In the early 20th century, Albert Einstein provided a groundbreaking explanation of the photoelectric effect, which earned him the Nobel Prize in Physics in 1921. His work established the dual nature of light, both as a wave and as a particle (photon). Here's a detailed explanation of the photoelectric effect:

When light shines on a surface, it is composed of photons that carry energy. These photons interact with electrons in the material. The photoelectric effect occurs when photons transfer their energy to electrons, causing them to be emitted from the material.

The process can be described in several steps:

1. Absorption: When a photon with sufficient energy interacts with an electron in an atom or material, it can be absorbed. The energy of the photon is transferred to the electron, promoting it to a higher energy level or even releasing it from the atom.

2. Ejection: If the energy of the absorbed photon is greater than or equal to the binding energy of the electron (also known as the work function), the electron can be ejected from the material. The work function represents the minimum energy required to remove an electron from the material's surface.

3. Electron emission: The ejected electron can now contribute to the formation of an electric current. If there is a conducting material connected to the surface, the released electron can move through the material, resulting in the flow of electric charge.

The photoelectric effect is not observed when light acts solely as a wave (option B). While light does exhibit wave-like properties, such as interference and diffraction, these phenomena do not directly involve the transfer of energy from photons to electrons.

Option C, "When an electric current causes light to be produced," does not accurately describe the photoelectric effect. The photoelectric effect involves the emission of electrons due to the interaction of light with matter, but it does not directly produce light as a result of an electric current.

Option D, "Any time an electric current is produced," is a broad statement that encompasses various phenomena beyond the photoelectric effect. Electric currents can be produced in various ways, such as through the flow of charged particles or the movement of electrons in a conductor. The photoelectric effect is a specific phenomenon that occurs when light interacts with matter and results in the emission of electrons.

To summarize, the photoelectric effect is observed when light shines on a surface, and the energy of photons is transferred to electrons, leading to their emission from the material. This emission of electrons can result in the formation of an electric current.

For more questions on photons, click on:

https://brainly.com/question/15946945

#SPJ8

I think it is the question:

When is the photoelectric effect observed?

A. When an electric current results from light shining on a surface

B. When light acts as a wave

C. When an electric current causes light to be produced

D. Any time an electric current is produced .

Assuming the stone is thrown horizontally, its initial horizontal velocity \((vix)\) is constant and equal to the throwing speed \((vi = vix)\). However, its vertical velocity\((viy)\) is zero at the start, and it will be affected by the force of gravity, which accelerates it downwards at a rate of g = \(9.81 m/s^2\). Therefore, the equations for the position of the stone as a function of time (t) are:

Horizontal position:

\(x = vix * t\)

Vertical position:

\(y = h + viy * t - (1/2) * g * t^2\)

Since \(viy = 0\), we can simplify the vertical position equation to:

\(y = h - (1/2) * g * t^2\)

So the complete set of symbolic equations for the position of the stone as a function of time are:

\(x = vix * t\)

Therefore, the position of the stone as a function of time can be expressed by the equations:

\(x = 18.2 * t\)

\(y = 49.5 - (1/2) * 9.81 * t^2\)

To Know more about the Symbolic equations, here https://brainly.com/question/16894659

#SPJ4