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maxonik [38]
2 years ago
10

Scientists think the is a solid layer of iron with a liquid layer of iron around it

Physics
1 answer:
statuscvo [17]2 years ago
8 0
I think its true, I think.
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4. How does a molecule differ from an atom
tia_tia [17]

Answer:

Explanation:

In a molecule, atoms are bonded together by single, double, or triple bonds. An atom has a nucleus surrounded by electrons. ... So another difference between atoms and molecules is that when similar atoms combine together in varying numbers, molecules of different properties can be formed.

8 0
3 years ago
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Evaluate tan(249).<br> O A. 1.36<br> B. 0.45<br> C. 0.41<br> D. 0.91
vodomira [7]

Answer:

tan 249 = 2.61

tan 249 = tan (249 - 180) = tan 69 = 2.61

3 0
2 years ago
Amy has a mass of 30 kg, and she is riding a skateboard traveling 5 m/s. What is her momentum?
Flauer [41]
Hey there!

So we know that m*v=P.
And in this question m=30
v=5 m/s
P = 30*5 Kgm/s
P = 150 Kgm/s

So, your final answer is 150 Kg.m/s

Hope this helps! :)
5 0
3 years ago
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Which statement is correct? (2 points) Select one:
Olin [163]
<span>The correct answer is B - Light can travel in a vacuum, and its speed is constant if the source is moving or stationary.</span>
7 0
3 years ago
Can anyone help??????????????
DerKrebs [107]

I think the answer should be the last one. Magnets attract magnets with unlike poles and repel magnets with like poles

3 0
3 years ago
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