3 years ago

What is matter made of ?

Physics

1 answer:

Evgen [1.6K]3 years ago

4 0

Answer:

Matter is made up of atoms.

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The Biot-Savart Law describes the relationship between which of the following? Select all that apply.

faltersainse [42]

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3 years ago

What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 10v/m?

Nitella [24]

Answer:

$3.33\cdot 10^{-8} T$

Explanation:

For an electromagnetic wave, the relationship between magnetic field amplitude and electric field amplitude is given by

$E=cB$

where

E is the amplitude of the electric field

c is the speed of light

B is the amplitude of the magnetic field

For the electromagnetic wave in this problem, we have

E = 10 V/m is the amplitude of the electric field

So if we solve the formula for B, we find the amplitude of the magnetic field:

$B=\frac{E}{c}=\frac{10 V/m}{3\cdot 10^8 m/s}=3.33\cdot 10^{-8} T$

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3 years ago

What is matter made of ?​

What is matter made of ?