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Troyanec [42]
3 years ago
7

A period 2 nonmetal with 5 valence electrons ...?

Physics
1 answer:
lys-0071 [83]3 years ago
8 0
I believe that the period 2 nonmetal with 5 valence electrons is the element nitrogen with symbol N. Nitrogen<span> is found to have either 3 or </span>5 valence electrons<span> and lies at the top of Group 15 on the </span>periodic<span> table. Hope this answers the question.</span>
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4 years ago
Mass is measured in ____________, and weight is measured in ______________.
chubhunter [2.5K]

Answer:

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Explanation:

7 0
3 years ago
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An ethernet cable is 3.80 m long and has a mass of 0.210 kg. A transverse pulse is produced by plucking one end of the taut cabl
Tasya [4]

Answer:

T=94.54N

Explanation:

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T=\mu v^2(1)

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The pulse makes four trips down and back along the cable, so d=4(2L)

v=\frac{8L}{t}(3)

Replacing (2) and (3) in (1), we calculate the tension in the cable:

T=\frac{m}{L}(\frac{8L}{t})^2\\T=\frac{64mL}{t^2}\\T=\frac{64(0.21kg(3.80m))}{(0.735s)^2}\\T=94.54N

3 0
3 years ago
A truck weighs 500 N on Earth. What's the mass of the truck?
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The answer is 50 kg plz mark as brainliest
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3 years ago
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