what is the -40 dbc (bessel approximation) bandwidth of an fm transmitter having a deviation () of 2 khz and an information frequency of 2 khz? (enter your answer in khz.)

The motorcycle is experiencing a deceleration of 4m/s². This is because the velocity of the motorcycle decreases with time.

Acceleration is the rate of change of the velocity of an object with respect to time taken. An object's acceleration is the net result of all the forces which are acting on the object. This can be best described by Newton's Second Law of Motion. The SI unit for acceleration is meter per second squared (m/s²).

The acceleration of the westward-moving motorcycle = Change in velocity/ time taken

a = (v-u)/ t

where, a = acceleration of the object,

u = initial velocity of the object,

v = final velocity of the object,

t = time taken by the object

a = (12 - 24)/ 3

a = -12/ 3

a = -4m/s²

Therefore, the acceleration of the motorcycle is -4m/s² i.e., deceleration of 4m/s².

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Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question

mass = 36 g

volume = 6 cm³

We have

\(density = \frac{36}{6} = 6 \\ \)

We have the final answer as

Hope this helps you

Answer:

before this type of attack, high acceleration is the most important thing.

Explanation:

As the zebra is ambushed by the crocodile the most important thing is a quick reaction, in this attack the most likely is that the crocodile is in the water so it cannot run after the zebra.

Consequently, before this type of attack, high acceleration is the most important thing.

Answer:

Although expansion seems to imply a Big Bang, no other specific predictions of the Big Bang theory were tested and confirmed until the 1960s.  

Explanation:

Answer:

Today, the consensus among scientists, astronomers and cosmologists is that the Universe as we know it was created in a massive explosion that not only created the majority of matter, but the physical laws that govern our ever-expanding cosmos.  This is known as The Big Bang Theory. For almost a century, the term has been bandied about by scholars and non-scholars alike. This should come as no surprise, seeing as how it is the most accepted theory of our origins.

;)

Answer:

88

Explanation:

Answer:

2

Explanation:

88 was wrong and the answer then said 2

Answer:

i think u already have ur answer

Explanation:

Answer:

A. The balls stick and move together.

Explanation:

When a bodies undergo perfectly inelastic collision, the two bodies stick together after the collision and begins to move.

In this collision, kinetic energy is not conserved. For perfectly elastic collision, the two bodies conserve kinetic energy and begin to move apart.

Kinetic energy is not conserved because some of the energy gets converted into other forms of energy.

Answer:

It will take George 20 minutes to get to his friends house.

Explanation:

divide 5km by 15km and get a constant of 3

George is riding at 15KM/HR meaning divide the hour by 3

60 minutes by 3 is 20

The difference in speed that occurs when a student sits in a fixed position on a boat and throws an object to the right with a velocity V while the boat moves to the left at a velocity that is much slower than the object's velocity can be explained as follows:

When the student throws the object to the right with a velocity V, the boat moves to the left due to the conservation of momentum. This movement of the boat to the left is very small, and its velocity is much slower than that of the object. When the object is in flight, the velocity of the student and the boat is the same as it was before the object was thrown to the right.The difference in speed between the boat and the object is due to the conservation of momentum. The boat and student move in the opposite direction with a velocity that is much smaller than that of the object.

The momentum of the object is equal to its mass multiplied by its velocity, and this momentum must be conserved. When the object is thrown to the right, the momentum of the object is transferred to the boat and the student.

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Answer:

500x

Explanation:

A microscope had an eyepiece magnification of 10x

The objective lens magnification is 50x

Therefore the total magnification can be calculated as follows

= 10 × 50

= 500x

Hence the total Magnificattion is 500x

If the changes in state are reversible processes, then the work done by the system upon going from state 1 to state 2 is equal in magnitude but opposite in sign to the work done by the system upon going from state 2 back to state 1.

This is because a reversible process is one that can be reversed without any net entropy production. In other words, if we reverse the process, the system will follow the same path back to its original state, and the work done in the reverse process will be equal in magnitude but opposite in sign to the work done in the forward process.

Therefore, we can conclude that the work done by the system upon going from state 1 to state 2 is equal in magnitude but opposite in sign to the work done by the system upon going from state 2 back to state 1, provided that the changes in state are reversible processes.

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The relative density of the substance is equal to the density of the substance concerning the density of the reference substance.

The relative density of the substance is known as the specific gravity.

Hence, option B is the correct answer.

The combination of higher mass and lower elasticity in a bowling ball results in a more painful experience when compared to kicking a soccer ball.

Kicking a bowling ball is more painful than kicking a soccer ball because of the differences in their masses and elasticity. The pain experienced when kicking an object is determined by the transfer of kinetic energy and the interaction between the object and the body.

A bowling ball is much heavier and has a higher mass compared to a soccer ball. When you kick a bowling ball, it has a greater amount of momentum, which is the product of mass and velocity. The higher momentum results in a greater force being exerted on your foot upon impact, leading to a higher level of discomfort or pain.

In addition, the elasticity of the objects plays a role. Soccer balls are designed to be more elastic, allowing them to absorb and distribute the impact force more effectively. This elasticity helps to reduce the amount of force transmitted back to your foot, resulting in less pain. On the other hand, bowling balls are typically less elastic, leading to a greater transfer of force and more discomfort when kicked.

Overall, the combination of higher mass and lower elasticity in a bowling ball results in a more painful experience when compared to kicking a soccer ball.

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Young's double-slit experiment doubles the distance between the slits. The screen-to-slit distance D must be set to 2D to keep the screen's fringe spacing constant.

This experiment, also known as Young's experiment, measured the effects of coherent waves or particle beams on a screen by passing them through two closely separated slits.

Because it depends on L, the spacings between various fringes get smaller as the slit distance gets bigger. Since the space between various fringes is wavelength dependant, increasing the light's wavelength also increases that separation.

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Answer:

c. a bicycle locked to a bike rack

Answer: Option (C). A bicycle locked to a bike rack.

angle to the shore should a person navigate a boat, which is maintaining a constant speed of 16 km/h, in order to reach a point directly opposite is 75.5 degrees.

Since the stream is flowing parallel alongside the shore, it takes the vector form of  v {stream} = [0,4]

the boat velocity is perpendicular to the stream, it's takes the vector form of  v{boat} = [-16,0]

The resultant velocity of the boat is the sum of the velocity of the boat and stream, thus it takes the form

v{total} =  [-16,0] +  [0,4]

           = [ -16,4]

the cosine of angle to the shore,

                  cos {theta} = v{total} . v {stream} / ||v{total} || x ||v {stream}||

                                     =  [ -16,4] . [0,4] / (16x4)

                                     = 16/64

                                     = 0.25

                       angle = 75.7 degrees.

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Answer:

F=ma

a=F/m=20/5=4 m/s^2

Answer:

The anomalous expansion of water is an abnormal property of water whereby it expands instead of contracting when the temperature goes from 4o C to 0o C, and it becomes less dense.

Explanation:

The density is maximum at 4 degree centigrade and decreases below that temperature as shown in graph.

Answer:

I feel like a person should vary their physical activities because it keeps your body in shape and fit and you are able to move around. For example, like running or jogging it helps burn calories and it helps keep your abs/stomach right.

Explanation:

Answer:

a force is a movement on a object such as kinetic energy

The average acceleration of the cart , during its 12s motion is 0m/\(s^{2}\).

    1.The cart starts from rest.

    2. From t = 0 s to t = 4.0 s :

       The cart is accelerated with a constant force applied by the shopper

    3. From t = 4 s to t = 8.0 s

       The shopper applies just enough force to balance the friction on the cart.

    4. From t = 8 s to t = 12 s

       The shopper applies a constant force to slow the cart until it is decelerated and comes to rest.

        The initial time (t = 0 s)

        The velocity , v =  0 m/s (at rest)

        The final time (t = 12 s)

        The velocity is 0 m/s as well (at rest).

        The average acceleration is given by:

                  \(a = \frac{v_{12}-v_{0}}{t_{12}-t_{0}} \\\\a = \frac{0-0}{12 - 0} \\\\a = 0m/s^{2}\)

The average acceleration of the cart during its 12s motion is 0m/\(s^{2}\).

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Answer:

Harmful bacteria are called pathogenic

Explanation:

Harmful bacteria are called pathogenic bacteria because they cause disease and illnesses like strep throat, staph infections, cholera, tuberculosis, and food poisoning.

Answer: Plasma is made up of groups of positively and negatively charged particles but particles of a gas are mostly uncharged.

Explanation:

Because unlike ordinary gases, plasmas are made up of atoms in which some or all of the electrons have been stripped away and positively charged nuclei, called ions, roam freely.

Explanation:

1. Mass of an object

2. Distance between the objects

Answer:

When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them.

Explanation:

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The weight of the transformer is 138.46 N.

Weight can be calculated by dividing workdone by height

To calculate the weight of the transformer, we use the formula below.

Formula:

Where:

Substitute these values into equation 1

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The minimum uncertainty in the mass measurement is approximately 0.00000000000000076 MeV, which is negligible compared to the given answer options. Hence, the answer is A. 0.511 MeV.

The uncertainty principle states that there is a fundamental limit to the precision with which certain pairs of physical properties can be known simultaneously. One such pair is the energy and the time. The shorter the lifetime of a particle, the greater its uncertainty in energy.

The uncertainty principle can be written as ΔE x Δt ≥ h/4π, where h is Planck's constant. In this case, the lifetime of the particle is 2x10^-23s. Therefore, the uncertainty in energy is given by ΔE ≥ h/4πΔt.

To find the uncertainty in mass, we can use Einstein's famous equation E = mc^2, which relates energy and mass. Rearranging this equation, we get m = E/c^2. Thus, the uncertainty in mass is given by Δm = ΔE/c^2.

Substituting the given values, we get Δm ≥ h/4πΔtc^2. Using the value of Planck's constant and the speed of light in appropriate units, we get Δm ≥ 7.6x10^-17 MeV.

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The wavelength of the light beam in a material of refractive index 3.00 is 126.7 nm.

The relationship between the wavelength of light in a vacuum (λ₀), the wavelength of light in a material (λ), and the refractive index of the material (n) is given by the formula:

n = λ₀ / λ

Rearranging this equation, we can solve for the wavelength of light in the new material:

λ = λ₀ / n

In this case, the initial wavelength of the light beam in a material of refractive index 1.50 is λ = 380 nm. To find the wavelength of the same light beam in a material of refractive index 3.00, we can use the above equation:

λ = λ₀ / n

λ = (380 nm) / (3.00)

λ = 126.7 nm

Therefore, the wavelength of the light beam in a material of refractive index 3.00 is 126.7 nm.

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Answer:

Angle of diffraction for second order maxima is θ = 18.941°

Explanation:

From the question it is given that

wavelength of incident light = λ = 541 nm = 541 x \(10^-^9 m\)

order of maxima = n =2

diffraction grating has 600 lines per mm

⇒ distance between two slit is \(\frac{1mm}{600}\) = 1.66 x \(10^-^6\) m

using the relation of Braggs diffraction formula i.e.,

2dsinθ = nλ ..................................(1)

where, d = distance between two lines of grating

θ is the angle of diffraction

n= order of maxima

λ is the intensity of incident photon

on substituting the respected values in relation (1) we get,

2 x 1.66 x \(10^-^6\)m sinθ = 2 x 541 x \(10^-^9 m\)

⇒ sinθ = 0.3246

⇒ θ = \(sin^-^1(0.3246)\) = 18.941 °

Step-by-step explanation:      

Step 1: Formula

10.0 = Meters

800 = Newtons

4.0 = Centre of Gravity

Explanation in words (Short Form)

-  We know all the formulas and that we are calculating the least force being applied. We know that balancing the pole at (A) with the weight of the gravity will equal more force at B times 10. So the answer will be 320 N because the B force will equal 3200. If we divide 3200 by 10. The answer will result as 320. So the final answer for this question is 320N

Answer:  

Balancing the pole at A with the weight acting at the centre of gravity = 800(4) Force at B multiplied by 10 = 3200 divided by 10 equals 320N

= 320N

Hope this helps.

Answer:

speakers is going to be your answer

Answer:

doorbells

Explanation: