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Reil [10]
3 years ago
11

elements found in the same ______ have similar chemical properties. What should go in the blank? Row or column?

Physics
1 answer:
Temka [501]3 years ago
3 0
The answer is Column, however if you want to know the scientific word for it, it is also known as a group

(extra fact, a row is called a period)
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|\vec A + \vec B| = 50 units

Explanation:

As we know that magnitude of two vectors is given as

|\vec A + \vec B| = \sqrt{A^2 + B^2 + 2AB cos\theta}

here we know that

A = magnitude of vector A

B = magnitude of vector B

\theta = angle between two vectors

so here we know that

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angle = 90 degree

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|\vec A + \vec B| = \sqrt{30^2 + 40^2 + 2(30)(40)cos90}

|\vec A + \vec B| = \sqrt{30^2 + 40^2}

|\vec A + \vec B| = 50 units

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