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Anettt [7]
3 years ago
6

Today chemistry is based on the law ofwhat is the matter ​

Physics
1 answer:
melisa1 [442]3 years ago
5 0

Answer:

One scientific law that provides the foundation for understanding in chemistry is the law of conservation of matter. It states that in any given system that is closed to the transfer of matter (in and out), the amount of matter in the system stays constant.

Explanation:

hope it helps ya

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Two straight wires carry current of 5A opposite direction separated by a distance of 30cm. What is the magnitude of magnetic fie
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Answer:

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Explanation:

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Using the right hand rule field magnetic as the current go in opposite direction the field in the point exactly in the middle have the same direction both so

\beta _{t} =\beta _{1}+\beta _{2}

They have the same direction and the P point is the middle as the same current field can be find:

\beta _{t} =\beta _{1}*2

\beta = \frac{u_{o}*I }{2*\pi *p} \\\beta =\frac{4*\pi x10^{-7}*5A }{2*\pi *\frac{30}{2} } \\\beta =\frac{4x10^{-7}*5 }{0.30} \\\beta =6.6x10^{-6}T

\beta _{t} =6.6x10^{-6}*2=13.33x10^{-6}T

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Explanation:

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