3 years ago

The change from a solid to a liquid occurs at _____.

Physics

2 answers:

NNADVOKAT [17]3 years ago

8 0

At the melting point

Gnesinka [82]3 years ago

6 0

The answer is melting point

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A 3.5 kg object moving at 8.1 m/s in the positive direction of an x axis has a one-dimensional elastic collision with an object

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Answer:

So the mass of the second object M will be 1.951 kg

Explanation:

We have given mass of the first object $m_1=3.5kg$ and its velocity $v_1=8.1m/sec$

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So $m_1v_1+m_2v_2=(m_1+m_2)v$

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3 years ago

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3 years ago

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Velocity= change in distance / time taken

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3 years ago