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siniylev [52]
3 years ago
12

How does the electric force between two charged particles change if the

Physics
1 answer:
iren [92.7K]3 years ago
5 0

Answer:

increased by a factor of 4

Explanation:

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a race car is traveling at a speed of 80.0m/s on a circular race track of radius 450m what is the centripetal acceleration
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The answer of this question is =1.258*10-4

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Explain the importance of having a support network when trying to achieve a healthy lifestyle. Who supports you when it comes to
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Who are the people for you then I can help you format the essay

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Radon-220 is a radioactive gas. It escapes from underground rocks and causes a large part of the natural background radiation in
Sergeu [11.5K]

Answer: 134 neutrons are there in the nucleus of Radon-220

Explanation:

Atomic number : It is defined as the number of electrons or number of protons present in a neutral atom.

Thus, number of protons = atomic number = 86

Mass number is the number of the entities present in the nucleus which is the equal to the sum of the number of protons and electrons.

Mass number = Number of protons + Number of neutrons

220 = 86 + Number of neutrons

Number of neutrons = 134

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3 years ago
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3 years ago
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8. What is the frequency of green light waves that have a wavelength of 5.2 x 10-7 m.? The speed of light is 3.0 x 108 m/s
o-na [289]

Answer:

f=5.76\times 10^{14}\ Hz

Explanation:

We need to find the frequency of green light having wavelength o5.2\times 10^{-7}\ m. It can be calculated as follows :

c=f\lambda\\\\f=\dfrac{c}{\lambda}\\\\f=\dfrac{3\times 10^8}{5.2\times 10^{-7}}\\\\f=5.76\times 10^{14}\ Hz

So, the required frequency of green light is equal to 5.76\times 10^{14}\ Hz.

4 0
3 years ago
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