2 years ago

Physical Science The sun is composed mainly of oxygen. O True O False

Physics

2 answers:

BartSMP [9]2 years ago

7 0

Answer:

False.

Explanation: The sun is mainly composed of hydrogen, it's 92% composed of hydrogen.

Nesterboy [21]2 years ago

4 0

Answer:

false

Explanation:

Because the sun has ultraviolet rays

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A 2 nC point charge is at the origin, and a second 5 nC point charge is on the x-axis at x = 8 m. Find the electric field (magni

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The magnitude of the electric field is 5.75 N/C towards positive x- axis.

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Using formula of electric field

$E=\dfrac{1}{4\pi\epsilon_{0}}(\dfrac{q_{1}}{r_{1}^2}+\dfrac{q_{2}}{r_{2}^2})$

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$E=9\times10^{9}\times(\dfrac{2\times10^{-9}}{2^2}+\dfrac{5\times10^{-9}}{(8-2)^2})$

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Hence, The magnitude of the electric field is 5.75 N/C towards positive x- axis.

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