Problem 50011.

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Юрий Физик seller information
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Product description


Luminous flux 9W normally falls to the surface area of \u200b\u200b10 cm2, the reflection coefficient is equal to 0.8. What pressure tests at the same this surface?

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A detailed solution with a brief note of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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