Task 20650.
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- Physics
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- 04.06.2016 19:13:50
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Task 20650.
The air is at a distance h = 2 mm from moving with the velocity V = 70 m / s broad flat ribbons positioned parallel to the flat plate area S = 4 m ^ 2. What force must be applied to the plate to keep it fixed? Massa plate neglected. The air temperature t = 27 ° C, the effective diameter of air molecules is 0.37 nm.
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Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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