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ddd [48]
3 years ago
11

What is transmitted by EM waves?

Physics
1 answer:
mamaluj [8]3 years ago
6 0

Answer:

What is transmitted by EM waves?

energy

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Two spheres have identical charges and are 75 cm apart. the force between them is +0.30 n. what is the magnitude of the charge o
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Answer:

4.33\cdot 10^{-6}C, charges are both positive or both negative

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F=k\frac{q_1 q_2}{r^2}

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And the two charges have the same sign (so, both positive or both negative), since the sign of the force is positive (+0.30 N), so it is a repulsive force.

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