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Len [333]
4 years ago
15

Consider the earth-moon system, the solar system, the galaxy and the universe. which is largest?

Physics
1 answer:
Anni [7]4 years ago
8 0
I'd suppose that the universe is largest, considering that it contains earth-moon system, the solar system, AND hundreds of thousands of galaxies
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What forces cause the magnetic repulsion and attraction?
frutty [35]

Answer:

The cause of a magnetic force are small electrical currents or moving charges: Tiny circular currents at the atomic level are responsible in a permanent magnet for it to exert a magnetic force.

Explanation:

4 0
3 years ago
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The image is blank

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A student throws a set of keys vertically upward to his fraternity brother, who is in a window 3.60 m above. The brother's outst
Contact [7]

Answer:

v_{i}=10.10 m/s

Explanation:

The equation of the position is:

y=y_{i}+v_{i}t-0.5gt^{2}

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v(i) is the initial velocity

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I hope it helps you!

5 0
3 years ago
An ice block measuring 5cm by 5cm by 5cm has a desity of 5g/cm3. What is the mass of the ice block?
Svetradugi [14.3K]


Density = (mass) / (volume)

Volume of your block = (5cm x 5cm x 5cm) = 125 cm³

5 gm/cm³ = (mass) / (125 cm³)

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Note: 
I don't know what kind of frozen substance you're working with,
but maybe you ought to be careful handling it ... I know that's
not water ice you have there.  The density of water ice is not
5 gm/cm³.  In fact, it's a little less than 1 gm/cm³.  That's why
the ice floats in your soda.

4 0
3 years ago
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How many grams of ammonium chloride is soluble at 50 C
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Ammonium chloride is soluble at 80g.

5 0
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