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posledela
3 years ago
13

Calculate the force of gravity on a 4 kg mass at Earth's surface. The mass of the Earth is 6 x 1024 kg and its radius is

Physics
1 answer:
Anni [7]3 years ago
4 0

Answer:

39.2 N

Explanation:

1kg at the earth's surface has a force of 9.8 N acting on it.

(4 kg) (9.8N) = 39.2 N

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Answer:

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Explanation:

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We know that velocity is equal to v=\lambda f, here \lambda is wavelength and f is frequency of light

So frequency of light will be equal to f=\frac{v}{\lambda }=\frac{3\times 10^8}{430\times 10^{-9}}=6.97\times 10^{1}Hz

So frequency of the light will be equal to 6.97\times 10^{1}Hz

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3 years ago
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How many protons, electrons and nurturing does krypton have NEED HELP ASAP THANK YOU
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Answer:

Krypton – Mass Number – Neutron Number – Kr 2020-11-21 by Nick Connor Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. The chemical symbol for Krypton is Kr.

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Answer:

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