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kap26 [50]
3 years ago
5

Strong evidence for the existence of dark matter comes from observations of

Physics
1 answer:
adoni [48]3 years ago
5 0

Answer:

NASA's Chandra X-ray Observatory and other telescopes such as the Hubble telescope.

Explanation:

Dark matter and normal matter have been wrenched apart by the tremendous collision of two large clusters of galaxies.

The above observations have provided the strongest evidence yet that most of the matter in the universe is dark.

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How is the moment magnitude scale used to describe earthquakes?
natka813 [3]
The Richter Scale<span> is not commonly </span>used<span> anymore, except for small </span>earthquakes<span>recorded locally, for which ML and Mblg are the only </span>magnitudes<span> that can be measured. For all other </span>earthquakes<span>, the </span>moment magnitude scale<span> is a more accurate measure of the </span>earthquake<span> size.</span>
3 0
3 years ago
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What is the kinetic energy of a golf ball with a mass of 0.046 kg traveling at 15.5<br> m/s?
Serjik [45]

Answer:

<h2>5.53 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

k =  \frac{1}{2} m {v}^{2}  \\

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v is the velocity

From the question we have

k =  \frac{1}{2}  \times 0.046 \times {15.5}^{2}  \\  = 0.023 \times 240.25 \\  = 5.52575

We have the final answer as

<h3>5.53 J</h3>

Hope this helps you

3 0
3 years ago
In a position vs. time graph, which of the following relationships is true? O The steeper the line the slower the velocity O The
Blizzard [7]

Answer:

dd

Explanation:

5 0
3 years ago
A bird sitting high in a tree is an example of an object with what type of energy?
Wewaii [24]
<span>potential energy because it has the ability to do work 

*A*</span>
7 0
3 years ago
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I feel like I’ve been on this physics exam forever… please help . NO LINKS.
sesenic [268]

Explanation:

my guess is A

emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to an atom or molecule making a transition from a high energy state to a lower energy state.

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