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3 years ago

what is the force between a 3 Coulomb charge and a 2 Coulomb charge separated by a distance of 5 meters?

1 answer:

5 0

5,625 x 10 ⁻¹⁰ is <span>the force between a 3 Coulomb charge and a 2 Coulomb charge separated by a distance of 5 meters.</span>

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2 years ago

What is true about colonial families?

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3 years ago

How is an electromagnet different from a bar magnet?

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Answer:

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3 years ago

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3 years ago

A satellite is in circular orbit around the earth. The orbit the satellite is at a height of 420 km above the earth's surface. F

astraxan [27]

Answer:

7661.06 m/s

Explanation:

R = Radius of Earth = $6.38\times 10^6\ m$

h = Distance from the Earth = 420000 m

G = Gravitational constant = $6.674\times 10^{-11} N m^2/kg^2$

M = Mass of Earth = $5.98\times 10^{24}\ kg$

$V=\sqrt{g{\frac{R^2}{R + h}}}\\\Rightarrow V=\sqrt{\frac{GM}{R^2}{\frac{R^2}{R + h}}}\\\Rightarrow V=\sqrt{\frac{6.674\times 10^{-11}\times 5.98\times 10^{24}}{(6.38\times 10^6)^2}{\frac{(6.38\times 10^6)^2}{6.38\times 10^6 + 420000}}}\\\Rightarrow V=7661.06\ m/s$

The orbital speed of the satellite is 7661.06 m/s

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4 years ago