3 years ago

What metric units are used to report the mass of an object

Physics

1 answer:

sladkih [1.3K]3 years ago

4 0

The unit used<span> to measure weight in the metric system is the gram.</span>

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Consider four point charges arranged in a square with sides of length L. Three of the point charges have charge q and one of the

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Answer: $F_{net}=\frac{kq^2}{(L)^2}\left [ \frac{1}{2}+\sqrt{2}\right ]$

Explanation:

Given

Three charges of magnitude q is placed at three corners and fourth charge is placed at last corner with -q charge

Force due to the charge placed at diagonally opposite end on -q charge

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negative sign indicates that it is an attraction force

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thus combination of two forces at 2 and 3 will be

$F'=\sqrt{2}\frac{kq^2}{2L^2}$

Now it will add with force due to 1 charge

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