fm transmitter is producing 50 watts into a 50 antenna at a carrier frequency of 525.425 mhz. the deviation ( ) of the transmitter is 1.25 khz; in this service a maximum of 2.5 khz is allowed

Answer:

Potential

Explanation: Because it's being stretched, potential energy stores up in the spring. If the spring is released, then it has Kinetic.

F =

t = 0.17 s

Impulse (J) = 20,000 N

J = F x t

F = J / t = 20,000 Ns / 0.17 s = 117,647.0588 N

The portion of the universe that has been selected for analysis is called a sample. In statistics and research, a sample refers to a subset of individuals, objects, or events that are selected from a larger population or universe for the purpose of study or analysis. The sample is chosen to represent the characteristics and variability of the entire population.

The process of selecting a sample involves careful consideration of sampling techniques to ensure that it is representative and unbiased. By studying the selected sample, researchers can make inferences and draw conclusions about the larger population.

In contrast, a frame refers to a list or source from which a sample is drawn, typically containing the elements of the population. Parameters are characteristics or properties of the population, while statistics are measurements or summaries obtained from analyzing the sample.

Therefore, the correct answer is A. sample.

To know more about parameter please visit:

https://brainly.com/question/28249912

#SPJ11

The speed of the block when the spring is compressed to only one-half of the maximum distance is 7.63 m/s.

To find the speed of the block when the spring is compressed to one-half of the maximum distance, we can use the principle of conservation of mechanical energy.

1. First, we need to find the potential energy stored in the spring when it is compressed to its maximum distance. The formula for potential energy stored in a spring is given by:

  Potential Energy = (1/2)kx²

  where k is the spring constant and x is the compression distance.

2. We can find the spring constant by using Hooke's law:

  Force = -kx

  where Force is the force exerted by the spring and x is the compression distance.

3. Now, we can equate the potential energy to the initial kinetic energy of the block:

  (1/2)kx² = (1/2)mv²

  where m is the mass of the block and v is the initial velocity of the block.

4. We know the values of x (0.68 m), m (5.00 kg), and v (5.00 m/s). Plug in these values and solve for k.

5. Once we have the value of k, we can find the new compression distance (x/2) and solve for the final velocity using the equation:

  (1/2)k(x/2)² = (1/2)mv²

  Solve for v to find the speed of the block when the spring is compressed to one-half of the maximum distance.

Solving for v will give us the speed of the block when the spring is compressed to one-half of the maximum distance, which is 7.63 m/s.

To know more about Hooke's law visit:

https://brainly.com/question/30379950

#SPJ11

The speed of the fluid near the right-hand end of the tube is approximately 10.06 m/s.

Bernoulli's equation is a fundamental principle in fluid mechanics that relates the pressure, velocity, and height of a fluid in a flow. It states that for an incompressible fluid flowing in a steady state through a pipe of varying cross-sectional area, the total energy of the fluid (consisting of pressure energy, kinetic energy, and potential energy) remains constant along any streamline of the flow. Mathematically, the equation is:

P + (1/2)ρv² + ρgh = constant

To find the speed of the fluid near the right-hand end of the tube, we can use the Bernoulli's equation, which relates the pressure and velocity of a fluid in a flow:

P₁ + (1/2)ρv₁² = P₂ + (1/2)ρv₂²

where P1 and v1 are the pressure and velocity of the fluid at the left hand end of the tube (where the pipe is wider), and P2 and v2 are the pressure and velocity at the right-hand end (where the pipe is narrower).

We can redo this equation to solve for v₂:

v₂ = sqrt(2*(P₁-P₂)/ρ + v₁²)

where sqrt denotes the square root.

Using the given values:

A₂/A₁ = 0.46

dP = 27.6 Pa

ρ = 2.93 kg/m³

We can find the pressure at the left hand end using the fact that the pressure is the same at the same height, and the fluid is incompressible, so its density is constant:

P₁ = P₂ + dP = P₂ + 27.6 Pa

The area ratio gives us:

A₂ = 0.46*A₁

Now we need to find v₁. We can use the continuity equation, which states that the mass flow rate (ρAv) is constant in an incompressible fluid:

ρ₁A₁v₁ = ρ₂A₂v₂

where ρ1 is the density of the fluid at the left hand end, which is the same as ρ₂, and A₁ and A₂ are the pipe's cross-sectional areas at the left and right ends, respectively.

Substituting A₂ = 0.46 × A₁ and simplifying, we get:

v₁ = (0.46)² × v₂

Substituting this into the Bernoulli's equation, we get:

P₁ + (1/2)ρv₁² = P₂ + (1/2)ρv₂²

Substituting P₁ = P₂ + 27.6 Pa and v₁ = (0.46)² × v₂, and solving for v₂, we get:

v₂ = √((227.6)/(0.46^2ρ) + (0.46)⁴ × v₂²/ρ)

Simplifying this equation, we get:

v₂= √((227.6)/(0.46^2ρ × (1-0.46⁴)))

Substituting the given values, we get:

v₂ = √((227.6)/(0.46²²°⁹³ × (1-0.46⁴))) = 10.06m/s

To know more about kinetic energy, visit:

https://brainly.com/question/26472013

#SPJ1

Answer:

0.4m/s

Explanation:

\(F = ma\) where F= force, m= mass, and a=acceleration

we also know that,

a = Δv / t where Δv = change in velocity and t = time

thus F = m ( Δv / t)

\(2000=50(\frac{v}{0.01})\)

\(\frac{2000}{5000} = v\)

0.4m/s = Δv

Answer:

A man jumping out from a moving bus holds the inertia of motion.As the man lands on the ground,feet came to rest instantly while the upper due to inertia of motion.Therefore the person may fall under bus.

The spectral lines are spectra in which only a certain wavelength of light is emitted. spectrum can be observed from distant stellar objects.

The definite wavelength spectral lines can be observed from different elements.

Comparing definite wavelengths of emission spectra and spectra of distant stellar objects, we can determine the motion of the stellar body.

If the body is moving, then the Doppler effect plays an effective role by altering the wavelengths of the emission spectra.

Two cases will take place:

First: If the body is moving away, then the wavelength of emission spectra will shift toward red.

Second: If the body is moving towards, then the wavelength of emission spectra will shift toward the blue end.

This phenomenon is only observed in the case of radial movement of the body.

In the case of tangential motion, the Doppler effect won't play a role. so we observe no change in spectral lines.

To learn more about Spectral lines :

https://brainly.com/question/32737944

#SPJ4

The level of flexibility will affect my performances in football. Football

requires some level of flexibility to do certain things.

Flexibility will enable me change speed and direction easily when there is a

counter attack by the opponents. It will also assist in using some techniques

such as adding more curve on the football with the feet in order to score

goals.

Flexibility will also ensure that there will be lesser injury concerns because there will be less sprains or other muscle related injuries.

Read more on https://brainly.com/question/18472626

The potential energy of a 3 kg ball that is on the ground is zero.

To learn more about potential energy refer to:

https://brainly.com/question/18250

#SPJ1

Answer:

f =ma = 0.015 * 55 = 0.825 N

so yeah that's ur ans

825N

Explanation:

force= mass × acceleration

acceleration = force ÷ mass

mass= force ÷ acceleration

15g × 55m/s2 = 825N

6.21 cm

where

Given:

solving step-wise:

\(\dashrightarrow \mathrm{T}=2 \pi \sqrt{\dfrac{\mathrm{L}}{\mathrm{g}}}\)

\(\sf \dashrightarrow \mathrm{0.5}=2 \pi \sqrt{\dfrac{\mathrm{L}}{\mathrm{9.8}}}\)

\(\dashrightarrow \mathrm{\dfrac{0.5}{2 \pi } }=\sqrt{\dfrac{\mathrm{L}}{\mathrm{9.8}}}\)

\(\dashrightarrow\sqrt{\dfrac{\mathrm{L}}{\mathrm{9.8}}}= \mathrm{\dfrac{0.5}{2 \pi } }\)

\(\sf \dashrightarrow{\dfrac{\mathrm{L}}{\mathrm{9.8}}}= (\mathrm{\dfrac{0.5}{2 \pi } })^2\)

\(\sf \dashrightarrow{{\mathrm{L}}= (\mathrm{\dfrac{0.5}{2 \pi } })^2*9.8\)

\(\sf \dashrightarrow{{\mathrm{L}}=0.06205922 \ m\)

\(\sf \dashrightarrow{{\mathrm{L}}=6.2059\ cm\)

\(\sf \dashrightarrow{{\mathrm{L}}=6.21\ cm\)             { rounded to nearest hundredth }

Let's see

\(\\ \rm\rightarrowtail T=2\pi \sqrt{\dfrac{l}{g}}\)

\(\\ \rm\rightarrowtail 0.5=2\pi \sqrt{\dfrac{l}{9.8}}\)

\(\\ \rm\rightarrowtail 0.783=\pi \sqrt{l}\)

\(\\ \rm\rightarrowtail 0.2494=\sqrt{l}\)

\(\\ \rm\rightarrowtail \ell=0.0622m\)

Answer:

Fuel + O2 → CO2 + H2O

Explanation:

Answer:

They both require displacement with respect to time

Answer:

1. The three main acidic gases responsible for lowering the pH of rainwater are non-metal oxides produced by the burning of fossil fuels like coal, oil and natural gas. Sulfur dioxide is produced when fossil fuels containing sulfur impurities are burned.

2. A great way to reduce acid rain is to produce energy without using fossil fuels. Instead, people can use renewable energy sources, such as solar and wind power. Renewable energy sources help reduce acid rain because they produce much less pollution.

3. The pH scale is logarithmic, meaning that an increase or decrease of an integer value changes the concentration by a tenfold. For example, a pH of 3 is ten times more acidic than a pH of 4.

The distance between me and my friend is 12.1 m

The distance of the friend towards east = 6.9 m

The distance of the friend towards the south = 9.8 m

The distance between me and my friend can be found using the Pythagoras theorem,

First, let us find the angle made by my friend with me

               tanθ = O/A

where O is the distance of the friend towards the south

           A is the distance of the friend towards the east

Let us substitute the known values,

                 tanθ = 9.8 / 6.9

                 tanθ = 1.4

                       θ =  tan⁻¹(1.4)

                       θ = 55°

Then the distance between me and my friend is

               sin θ = O/H

where H is the distance between me and my friend

               sin 55° = 9.8 / H

                   0.81 = 9.8 / H

                       H = 9.8 / 0.81

                           = 12.1 m

Learn more about Pythagoras' theorem in

https://brainly.com/question/343682

#SPJ4

The value of  angle θ through which the mass moves through is 12.15⁰.

The acceleration of an object is the rate of change of velocity of the object with time.

The acceleration of the mass is calculated as follows;

a = v²/r

where;

a = (2.25²)/(2.4)

a = 2.11 m/s²

tan θ = a/g

where;

tan θ = 2.11 / 9.8

tan θ = 0.215

θ = tan⁻¹(0.215)

θ = 12.15⁰

Thus, the value of  angle θ through which the mass moves through is 12.15⁰.

Learn more about angle of inclination here: https://brainly.com/question/2763627

#SPJ1

Answer:

is d

Explanation:

Velocity is the rate at which an object changes position.

___________________________________________

Velocity is a vector quantity that refers to "the rate at which an object changes its position."

Hope this helps!

Want to learn more? Visit below for more information about velocity.

Look up "Speed versus Velocity" at The Physics Classroom.com

When fueling a boat with a power ventilation system, it is important to allow sufficient time for the ventilation system to effectively remove any built-up fumes or vapors before starting the engine. While the exact duration may vary depending on the specific boat and ventilation system, it is generally recommended to follow the manufacturer's guidelines or the safety recommendations provided for your particular boat.

Typically, a common recommendation is to run the power ventilation system for at least four to five minutes or until you can no longer detect any strong fuel odors in the engine compartment or surrounding areas. This time frame allows for the ventilation system to circulate fresh air and remove potentially hazardous fuel vapors.

It's worth noting that some boats may have more powerful ventilation systems or specific instructions from the manufacturer, so it's essential to consult the owner's manual or any safety guidelines provided by the boat manufacturer for accurate information on the appropriate duration for your specific boat.

To know more about power ventilation system click on below link :

https://brainly.com/question/14532505#

#SPJ11

COMPLETE QUESTION:

You are operating a boat with a power ventilation system. you have just fueled this boat. how long should you let the ventilation system run before starting the engine?

Answer:

to be turned into glycogen not wasted

Explanation:

Since the body has a lot of energy left it will turn that energy into glycogen which is a storage form of glucose which will when neccassary will be converted into glucose from the horomone glucagon and be given to the body to be used as energy so the energy is never wasted

In science, variables are factors or conditions that change or affect the outcome of a study. They can be classified into three types: independent variables, dependent variables, and controlled variables. Dependent variables are those that researchers measure to assess the impact of independent variables.

In science, variables are factors or conditions that change or affect the outcome of a study. They can be classified into three types: independent variables, dependent variables, and controlled variables. Identifying variables is critical in any research, as they enable scientists to control the study's conditions, determine cause-and-effect relationships, and achieve accurate results.
Independent variables are those that researchers manipulate to investigate their effect on the dependent variable. They are also called explanatory or predictor variables.

For instance, in a study investigating the effect of different levels of fertilizer on plant growth, the independent variable is the level of fertilizer.
Dependent variables are those that researchers measure to assess the impact of independent variables.

They are also called response variables. In the plant growth study, the dependent variable is the growth rate or size of the plants.
Controlled variables are those that researchers hold constant throughout the study to reduce the impact of extraneous factors on the outcome.

They are also called confounding or intervening variables. In the plant growth study, controlled variables include the type of plant, the amount of water, the light exposure, and the temperature.
In conclusion, identifying variables is crucial in scientific research to achieve accurate results, establish cause-and-effect relationships, and control the study's conditions. Independent, dependent, and controlled variables are the three types of variables used in scientific studies.

For more such questions on variables

https://brainly.com/question/28248724

#SPJ8

Consider two cylindrical conductors made of the same ohmic material. If rho2 = rho1 , r2 = 2 r1 , ℓ2 = 3 ℓ1 , and V2 = V1 , finding the ratio R2 R1 of the resistances is as follow:

The two cylindrical conductors are made of the same ohmic material, rho2 = rho1 , r2 = 2r1, ℓ2 = 3ℓ1, and V2 = V1.The formula for resistance is given as;

R = (ρ * l)/a

Where,R is the resistance of the conductor.ρ is the resistivity of the conductor.l is the length of the conductor.a is the cross-sectional area of the conductor.

Now, let's calculate the ratio R2/R1 of the resistances;

The resistance of the first conductor,

R1 = (ρ * ℓ1)/πr1²

The resistance of the second conductor,

R2 = (ρ * ℓ2)/πr2²

We know that,

rho2 = rho1 , r2 = 2r1 , ℓ2 = 3ℓ1 ,

and V2 = V1R2/R1 = (ρ * ℓ2 * πr1²)/(ρ * ℓ1 * πr2²)R2/R1

= (ℓ2 * r1²)/(ℓ1 * r2²)

Put the given values, we get;

R2/R1 = (3 ℓ1 * r1²)/(ℓ1 * (2r1)²)R2/R1

= 3/4R2/R1 = 0.75

Thus, the ratio R2/R1 of the resistances is 0.75.

To know more about conductors visit:

https://brainly.com/question/492289

#SPJ11

Explanation:

w = v/r

= 15/ 45 = 1/3 rads-¹

a = w²r

= 1/9 • 45 = 5 ms-²

F = mv²/r

= 1200• 15• 15/45

= 6000N

The car, when rounding the curve, is pulled towards the center by the friction between it's wheels and the road.

Answer:

The length of the x-component of v is 2

Explanation:

Vectors in Two Dimensions

A vector in the plane can be represented as its two components in the rectangular coordinates (x,y), assuming its initial point is the origin (0,0).

The vector plotted in the image provided has the components (-2,5).

The x-component is -2 and the y-component is 5.

The length of the component is the magnitude or absolute value of the x-coordinate, thus the length of the x-component of v is 2

All electrons have the same charge. The electron charge is equal and opposite to the proton charge. A proton has 1800 times the mass of an electron.

It takes a lot of energy to extract protons from the nucleus. Electrons on the other hand are loosely bound outside the atom. Because of this electrons are easily removed. This is the main reason that charge is transferred by electrons rather than protons. Charges are different from being attracted to each other, just like charges repel. Therefore, two positive charges repel each other like two negative charges.

Positive and negative charges attract. Electrons are negatively charged. When a neutral object loses electrons it becomes more positively charged. When a neutral object gains electrons it becomes more negatively charged. Current is the flow of positive charge. All electrons have the same charge. The electron charge is equal and opposite to the proton charge. A proton has 1800 times the mass of an electron.

Learn more about A proton here:-https://brainly.com/question/1805828

#SPJ4