What does N solve mean?

Answer:

2.84 seconds

Explanation:

t = ?

distance = 125

Velocity origianal = 60 m/hr = 88 ft/s

     AVERAGE velocity = 88/2 = 44 ft/s

44 t = 125

t = 125/44 = 2.84 s

The wavelength of the monochromatic light in water is 390.2 nm.

The wavelength of the monochromatic light in water can be calculated using the formula:

λ(water) = λ(air) / n(water)

Where λ(air) is the wavelength of the light in air (given as 520 nm) and n(water) is the refractive index of water, which is approximately 1.33.

Plugging in the values, we get:

λ(water) = 520 nm / 1.33
λ(water) = 390.2 nm


We used the formula λ(water) = λ(air) / n(water) to calculate the wavelength of the light in water. We first plugged in the given value of λ(air) as 520 nm, and then used the refractive index of water, which is approximately 1.33, to calculate the value of λ(water). The result obtained was 390.2 nm.

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Taking into account the definition of wavelength, frecuency and propagation speed, the wavelength of a wave with a frequency of 4.3 Hz and a velocity of 24 m/s is 5.581 m.

Wavelength is the distance between two points corresponding to the same phase in two consecutive waves. It is expressed in units of length (m).

Frequency is the number of vibrations that occur in a unit of time. Its unit is s⁻¹ or hertz (Hz).

The propagation speed is the magnitude that measures the speed at which the wave disturbance propagates along its displacement.

The propagation speed relate the wavelength (λ) and the frequency (f) inversely proportional using the following equation:

v = f×λ

In this case, you know:

Replacing in the definition of propagation speed:

24 m/s= 4.3 Hz× λ

Solving:

λ= 24 m/s÷ 4.3 Hz

λ= 5.581 m

In summary, the wavelength of the wave is 5.581 m.

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Answer: An object is in motion when its distance from another object is changing . A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point. You assume that the reference point is stationary, or not moving

Explanation:

The net work that has been done is obtained as  5.02 * 10^4J. Option B

We have to note that the work that is done is defined as the product of the force that has been applied and the acceleration of the object. In this case ,we can see that there is work that has been done as the velolcity of the object is changed.

Hence;

Work done = 1/2mΔv^2

m = mass of the object

v = velocity of the object

Thus;

Work done = 0.5 * 5020 * (21 - 41)^2

Work done =  5.02 * 10^4J

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The resistance of the heater is 10.3 ohms.

The power (P) dissipated by the electric space heater is given by the formula P = V²/R, where V is the voltage across the heater and R is the resistance of the heater. In this case, the power is given as 1320 W and the voltage is given as 120 V. So we can rearrange the formula to solve for the resistance: R = V²/P. Substituting the given values, we get R = (120 V)² / 1320 W = 10.3 ohms. Therefore, the resistance of the heater is 10.3 ohm

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The distance from the line where the electric field has a magnitude of \(E0^{2}\) is given by R = (λ / (2πk\(E0^{2}\))).

The magnitude of the electric field at a distance R from an infinite straight line with charge density λ can be calculated using the formula for the electric field of an infinite line of charge. The electric field at a distance R from the line is given by:

E = (λ / (2πε₀)) * (1 / R)

where ε₀ is the permittivity of free space and is equal to 8.85 x 10^-12 C^2/(N·\(m^{2}\)).

Now, we are given that the magnitude of the electric field at distance R is E₀. We need to find the distance from the line where the electric field has a magnitude of \(E0^{2}\).

Setting E equal to E₀^2, we can solve for the distance R:

E₀^2 = (λ / (2πε₀)) * (1 / R)

R = (λ / (2πε₀\(E0^{2}\)))

Substituting the value of ε₀ as 8.85 x \(10^{-12}\) \(C^{2}\)/(N·\(m^{2}\)) and k as 9 x \(10^{9}\)N·\(m^{2}\)/\(C^{2}\), we can rewrite the expression as:

R = (λ / (2πk\(E0^{2}\)))

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Answer:

Mars is an opportunity for humans to carry forward the light of consciousness, plus it is the closest planet like earth, it has land humans can land on and although its small, theres still water

As the object is thrown up with the initial velocity of 20.0 m/s, and there is an air resistance force that would cause an acceleration of 3.00 m/s2, the speed of the object as a return to the ground is 10.8 m/s.

The kinematic equations are a set of equations that describe the motion of an object with constant acceleration.

When we have an initial velocity value, it is written as Vo, while for the final velocity, we simply write V or Vt. As an object moves through the air, air resistance slows the object’s speed.

The formula of the kinematic equation used for solving this case is

Vt = V0 + at (the gravity is 10 m/s2)

\(Vt = Vo + (-g-a)t\\\0 = 20 + (-10-3)t\\0 = 20-13t\\\13t = 20\\\t = \frac{20}{13}\)

After the time is known, now we can insert the value into the following formula :

\(Vt = Vo + (g-a)t\\Vt = 0 + 7.\frac{20}{13} \\Vt = 0 + \frac{140}{13} \\\Vt = 10.8 m/s\)

Thus, the speed of the object returns to the ground after being thrown up with an initial velocity of 20.0 m/s and acceleration of 3.00 m/s2, which is 10.8 m/s.

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Answer:

ok

Explanation:

Have a nice day!

The answer would be B.) Electric Energy

Answer:

b.electric energy

we need electric energy to make the heater work.

La adicion de vectores permite encontrar la repuesta para la velocidad resultante del avión es:

Las magnitudes vectoriales son cantidades tienen modulo y dirección, la velocidad es una de estas magnitudes, por lo tanto deben ser sumada usando álgebra vectorial.

Un sistema de referencia es un sistema desde donde realizar las mediciones, en este caso indican que usemos un sistema de los puntos cardinales.

En el adjunto podemos ver un esquema de los vectores velocidad y su resultante, realicemos el calculo de la resultante por método analíticos

Indican que el valor de la velocidad hacia el Este es vₓ = 20 m/s y la velocidad hacia el Norte es v_y = 90 m/s, por lo tanto, para la magnitud usamos el Teorema de Pitágoras

           \(R= \sqrt{v_x^2 + v_y^2}\)

           R = \(\sqrt{20^2 + 90^2}\)

          R = 92,2 m/s

Para encontrar la direccion usemos trigonometría

          tan θ = \(\frac{v_y}{v_x}\)

          θ = tan⁻¹ \(\frac{v_y}{v_x}\)

          θ = tan⁻¹ 20/90

          θ = 12,5º

La dirección se lee 12,5º al Norte del Este

En conclusión usando la suma de vectores  podemos encontrar la repuesta para la velocidad resultante del avión es:

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Answer:

20 meters/sec

Explanation:

See attachment.

2m/s^2 = (v - 0)/10s

v = 20 m/s

The energy per photon associated with a frequency of 1260 kHz is 2.10×10^-25 J.

To calculate the energy per photon, we can use the equation: E = hf, where E represents the energy, h is the Planck's constant (6.62607015 × 10^-34 J·s), and f is the frequency of the photon. Given that the frequency is 1260 kHz, we need to convert it to hertz (Hz) by multiplying it by 10^3:

Frequency = 1260 kHz × 10^3 = 1.26 × 10^6 Hz

Now, we can substitute the values into the equation:

E = (6.62607015 × 10^-34 J·s) × (1.26 × 10^6 Hz)

E = 8.33929859 × 10^-28 J

The answer is given in scientific notation as 8.34 × 10^-28 J. However, the question specifically asks for the answer in the format of 0.00×10^0. To achieve this, we can multiply the result by 10^3 and adjust the exponent accordingly:

E = (8.33929859 × 10^-28 J) × (10^3)

E = 8.33929859 × 10^-25 J

Thus, the energy per photon associated with a frequency of 1260 kHz is 2.10×10^-25 J.

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Answer:

c

Explanation:

deceleration

Answer:

Compression is that part of longitudinal wave in which the medium of particles are closer and there is momentary decrease in volume of medium.

Rarefaction is that part of longitudinal wave in which the medium of particles apart and there is momentary increase in volume of medium.

Compression is that part in which particles vibrating in a medium come closer to each other and rarefaction is that part in which particles vibrating in a medium move apart from each other .

SW2 (config-if-range)channel-group 1 mode desirable. Ether-channel is made by combining multiple physical links that are seen as one link between two switches.

The possible combination to establish an ether-channel between SW1 and SW2 using LACP or PAgP .Ether-channel is a port link aggregation technology or port channel architecture used primarily on Cisco.

Ether-channel is used for providing fault tolerance and high-speed links between switches, routers and servers. To form an Ether-channel there are 2 protocol and link aggregation control protocol. Also load balances traffic across links in the bundle. Traffic is not necessarily distributed equally among all the links. Ether-channel will double or quadruple your bandwidth.

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Answer:

Mercury is the answer..

Answer:

I believe mercury

Explanation:

The weight of the log is 980N

The force of gravity acting on an object is its weight, which is equal to its mass times the acceleration of gravity, or w = mg. The newton is the SI unit for weight since it is a force.

The weight of a 100 kg log can be calculated using the equation w = mg,

where m is the mass of the log (100 kg) and g is the acceleration due to gravity (9.8 m/s^2).

So, w = (100 kg)(9.8 m/s^2) = 980 N.

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Answer:

We just know that the metal is called Vibranium.

to place something is the table   we need to know its atomic number and its mass. so if we can get that we can ans it.

Explanation:

Thus, if we have detected the planet with the transit method alone, we can determine its size but not its mass or density.

In the case where we have detected the planet with both the transit and doppler methods, we can determine the precise mass and density of an extrasolar planet.

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The vertical bar (|) metacharacter is used to allow a string to contain an alternate set of substrings. It is also known as the "pipe" character and it functions as an "OR" operator in regular expressions.

This means that when the vertical bar is used between two strings, the regular expression engine will look for either one of the strings in the target string. For example, the regular expression "cat|dog" will match either "cat" or "dog" in the target string. The vertical bar is a useful tool for creating flexible regular expressions that can match different variations of a pattern.
This pattern would match any of the three colors "red", "blue", or "green" in a given string. By incorporating the "|" metacharacter, you can efficiently search for and match various substrings within a larger string, making it a powerful and versatile tool in pattern recognition and text processing tasks.

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Answer:

nothing

Explanation:

bocouse of darkness

The dog MUST be SEEN by a vet.

Not on the phone, not from your description. Not a web search, and not asking for advice online.

A qualified veterinarian has to have his hands on the animal, examine the dog, and make some suggestions. It might cost some money.

There's something missing here. A qualified real vet will never just say "I don't know, good bye!".

Answer:

If a copper metal of diameter 5cm and length 1m is stuck into the base of a hot water bath such that the heat of the water at 80° Celsius is transmitted to the other end. calculate :

(1) the temperature gradient

(2) the quantity of heat supplied ( Take thermal conductivity of aluminium to be 386W/mk), if the temperature at the other end is 30° Celsius

Answer:  The temperature gradient:

Explanation: ∇=T/L=80/1=80°C/m.

(d) charge, which is a fraction of a coulomb is not possible.​

Explanation:

Quantisation implies that the charge, which is a fraction of a coulomb is not possible.​

Basic minimum charge = 1.6 x 10⁻¹⁹

Answer:

Option D

Explanation:

Let's see

According to quantization of charge property

So

it means that charge should be integer always like 5e,-7e ,3C etc.

But

frcation of coulomb denotes to rational number i e set Q hence its not possible

Answer:

The galaxy is beyond the cosmic horizon, hence there is nothing.

No matter how evolved they are, no extraterrestrial culture will ever be able to create a telescope large enough to gather light that is so far away and scarce and concentrate it in such a manner that you could see a dinosaur.

Aliens so far away would reside in a galaxy near the furthest border of the Virgo cluster of galaxies, which is 100 million light-years away, a distance much greater than the exoplanets that we have so far discovered.

No amount of technical development could ever overcome the fact that the way photons can be focussed responds to fundamental rules of physics:

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