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Arturiano [62]
3 years ago
6

What is the atomic number of a sodium atom that has 11 protons and 12 neutrons

Physics
1 answer:
Ede4ka [16]3 years ago
8 0
The Atomic number for sodium is 11 cause it contains 11 protons. I hope this helps..
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A 20kg mass approaches a spring at a speed of 30 m/s. The mass compresses the spring 12cm before coming to a stop. Calculate the
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Answer:

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Explanation:

m= 20 kg

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x= 12 cm

k = ?

Here when the mass when hits at spring its speed is

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using

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