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Novosadov [1.4K]
2 years ago
11

The very strong source of radio waves at the center of our galaxy is called.

Physics
1 answer:
Alika [10]2 years ago
4 0
The answer is Sagittarius A, a very large black hole.
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Lee skated 36 miles in 3 hours. What was the speed at which Lee
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Answer:

12mph

Explanation:

36/3=mph

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3 years ago
Which force prevents protons from repelling each other inside a nucleus?
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So, the correct answer is <em><u>the strong nuclear force</u></em>. It actually pulls together nuetrons and protons that are in the nucleus. At very tiny distances only, like those inside the nucleus, so, this strong force succeded in dealing with the electromagnetic force, and it basically stops the electrical repulsion of protons from blowing apart the nucleus.

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3 years ago
Semiconductors are materials that conduct electric current better than insulators but not as well as conductors.Semiconductors a
Lina20 [59]
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3 years ago
Steel is an alloy of _____. One of the main reasons steel is used more widely than iron is because it’s_____ than iron. thanks f
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8 0
3 years ago
A box sliding on a horizontal frictionless surface runs into a fixed spring, compressing it a distance x1 from its relaxed posit
inn [45]

Answer:twice of initial value

Explanation:

Given

spring compresses x_1 distance for some initial speed

Suppose v is the initial speed and k be the spring constant

Applying conservation of energy

kinetic energy converted into spring Elastic potential energy

\dfrac{1}{2}mv^2=\dfrac{1}{2}kx_1^2----1

When speed doubles

\dfrac{1}{2}m(2v)^2=\dfrac{1}{2}kx_2^2----2

divide 1 and 2

\dfrac{1}{4}=\dfrac{x_1^2}{x_2^2}

x_2=2x_1

Therefore spring compresses twice the initial value

   

7 0
3 years ago
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