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Zielflug [23.3K]
3 years ago
9

If two variables have a non-related relationship and one of the variables is changed, how will the other variable change?

Physics
1 answer:
PolarNik [594]3 years ago
6 0

If one of the variables is changed, that tells nothing about what happens to the other one, or IF anything happens, or when, or how long it lasts. Because they are UN-RELATED. You just said so yourself.

None of the choices says this.

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If the angular magnification of an astronomical telescope is 42 and the diameter of the objective is 72 mm, what is the minimum
andriy [413]

Answer:

Minimum diameter=1.714

Explanation:

Angular magnification=fob/fey=42

fob=40*fey

Hence minimum diameter=diameter of objective/angular magnification

minimum diameter=72/42=1.714

4 0
3 years ago
At 0°C, frozen water (ice) changes to liquid water. When an ice cube is placed on something that is warmer than it heat will mov
kondaur [170]

Answer:

a common temperature is reached.

Explanation:

The principle of heat transfer is that heat flows from a substance of higher temperature to that of lower temperature until when a common temperature is reached.

For ice on getting in contact with a hot body; it changes to water at 0°c utilising the latent heat of fusion. After ice has been converted to water at 0°c, water starts increasing in temperature till a common temperature is reached.

8 0
3 years ago
A 75.0 Ohm resistor uses 0.285 W of power. What is the voltage across the resistor?
Brilliant_brown [7]

Answer:4.62

Explanation:

Acellus

6 0
3 years ago
In which type of wave do air particles move together or apart parallel to the direction of the wave?
Phoenix [80]
The best and most correct answer among the choices provided by the question is <span>B.sound waves</span><span>.
</span>

<span>Particles move together or apart parallel to the direction of the sound wave.
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Hope my answer would be a great help for you.    
If you have more questions feel free to ask here at Brainly.
8 0
4 years ago
A proton and an electron are held in place on the x axis. The proton is at x = -d, while the electron is at x = +d. They are rel
Over [174]
The protons and electrons are held in place on the x axis.
The proton is at x = -d and the electron is at x = +d. They are released at the same time and the only force that affects movement is the electrostatic force that is applied on both subatomic particles. According to Newton's third law, the force Fpe exerted on protons by the electron is opposite in magnitude and direction to the force Fep exerted on the electron by the proton. That is, Fpe = - Fep. According to Newton's second law, this equation can be written as
                               Mp * ap = -Me * ae
where Mp and Me are the masses, and ap and ae are the accelerations of the proton and the electron, respectively. Since the mass of the electron is much smaller than the mass of the proton, in order for the equation above to hold, the acceleration of the electron at that moment must be considerably larger than the acceleration of the proton at that moment. Since electrons have much greater acceleration than protons, they achieve a faster rate than protons and therefore first reach the origin.
6 0
3 years ago
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