Recent questions in Physics

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Дана функция f (x) = (tgx) * x ^ 2 + (1-tga) + tga

дана функция f (x) = (tgx) * x ^ 2 (1-tga) + tga и уравнение (tg ^ 2a) f (x ^ 2) = f (f (x)) найти все функции f (x) для которые ...
17/10/2017

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Half Life

At the end of 14 min, 1/16 of Polonium remains. Half life?
13/10/2017

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I have a question about order of magnitude?

When I tried to solve order of magnitude questions, I realized that we found the answer as 4*10^7. But my book was converting this answer to this 4*10^7~10^8. I confused. Can you tell me what is ...
11/10/2017

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Nuclear physics

Fission fragments usually decay by emitting
09/10/2017

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There is no SI base unit for area because:

There is no SI base unit for area because:
06/10/2017

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What color is the sky?

What color is the sky?
28/09/2017

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Why the light rays coming towards the normal when travelling from rare to denser medium?

This is the basic thing that we are knew about from our school days but don't ask that why this happend?
07/09/2017

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Why coloumb's law inversly proportional to the r

Why coloumb's law inversly proportional to the r?
07/09/2017