2 years ago

What is theory of relativity and why this theory made??????

Physics

2 answers:

Ymorist [56]2 years ago

7 0

Answer:

e=mc2 made to relate mass with energy . bcoz energy can neither b created nor b destroyed

frosja888 [35]2 years ago

6 0

Answer:

Leave it bro!!!.....

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But if you want then come up from my id #LV89QRGCL

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How much work must be done to bring three electrons from a great distance apart to 5.0×10^−10 m from one another (at the corners

Inessa05 [86]

Answer:

1.38 x 10^-18 J

Explanation:

q = - 1.6 x 10^-19 C

d = 5 x 10^-10 m

the potential energy of the system gives the value of work done

The formula for the potential energy is given by

$U =\frac{Kq_{1}q_{2}}{d}$

So, the total potential energy of teh system is

$U =\frac{Kq_{1}q_{2}}{d}+\frac{Kq_{2}q_{3}}{d}+\frac{Kq_{1}q_{3}}{d}$

As all the charges are same and the distance between the two charges is same so the total potential energy becomes

$U =3\times \frac{Kq^{2}}{d}$

K = 9 x 10^9 Nm^2/C^2

By substituting the values

$U =3\times \frac{9\times 10^{9}\times \ 1.6 \times 1.6 \times 10^{-38}}{5\times 10^{-10}}$

U = 1.38 x 10^-18 J

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3 years ago

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melisa1 [442]

B = although each ray of light follows the law of reflection,

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3 years ago

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Atoms with certain characteristics are radioactive. Which is least likely to be radioactive? O A. all atoms with an atomic numbe

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