3 years ago

Why is the H-R diagram useful in plotting the life cycles of stars?

1 answer:

4 0

The sun provides a handy benchmark for describing other stars. The mass of this solar system's sun gives us a unit for measuring other stars' masses.

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If you adjust the brightness of a light until it matches the intensity of sourness of the taste of a lemon, you are engaging in

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Unrestricted Submarine Warfare

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3 years ago

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lozanna [386]

Answer:

It’s called a conservative field.

Explanation:

I think it’s going to be the conservative field because in the question it talks about how it is able to become possible to define potential at a point in an electric field because electric field.

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2 years ago

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Write a question you would like to see on a quiz to calculate NET FORCE.

Pie

Answer:

How do you find the net force?

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2 years ago

If two charged objects in a laboratory are brought to a distance of 0.22 meters away from each other. What is

zysi [14]

Answer:

$q_2=2.47\times 10^{-4}\ C$

Explanation:

The charge on one object, $q_1=9.9\times 10^{-5}\ C$

The distance between the charges, r = 0.22 m

The force between the charges, F = 4,550 N

Let q₂ is the charge on the other sphere. The electrostatic force between two charges is given by the formula as follows :

$F=\dfrac{kq_1q_2}{r^2}\\\\q_2=\dfrac{Fr^2}{kq_1}\\\\q_2=\dfrac{4550\times (0.22) ^2}{9\times 10^9\times 9.9\times 10^{-5}}\\\\q_2=2.47\times 10^{-4}\ C$

So, the charge on the other sphere is $2.47\times 10^{-4}\ C$ .

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2 years ago

Define the term “force”.

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Energy that is applied to an object.

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3 years ago

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