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Greeley [361]
3 years ago
14

2 t of ferrous scrap at a temperature of 20 degrees is heated to the melting point and melted. How much to consume?

Physics
1 answer:
photoshop1234 [79]3 years ago
3 0

Answer

Calculate the amount of heat needed to melt 2.00 kg of iron at its melting point (1809 K), given that: ?Hfus = 13.80

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Answer:

I disagree

Explanation:

I think the students claim is wrong because according to Newton's First Law an object that is in motion stays in motion unless acted upon by an unbalanced force. Which makes the students claim wrong because a object doesn't require another force to keep it moving.

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3 years ago
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Answer:

Explanation:

There is no set way to do this. All you have to do is define left and right. Left will be minus and right will be the opposite --- plus.

That is completely arbitrary. It could be the other way around. It does not matter.

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Now just add.

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That also explains tides, but that's just getting off topic. Hope I helped.
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