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kiddshay8232
18.03.2021 •
Physics
You are handed a 5.00x10^-3kg coin and told that it is gold.
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Ответ:
cool 0.005 kilograms of gold
Ответ:
thats cool, gold is pretty
Explanation:
i dont get the question, though
Ответ:
The value is![F_L = 759200 \ N](/tpl/images/0990/1518/a45fd.png)
Explanation:
From the question we are told that
The speed of air across the top of its wings is![v = 297 \ m/s](/tpl/images/0990/1518/63e51.png)
The speed of air below its wings is![u = 209 \ m/s](/tpl/images/0990/1518/b206a.png)
The density of air is![\rho = 1.29 \ kg/m^3](/tpl/images/0990/1518/19d44.png)
The area of the wing is![A = 26.0 \ m^2](/tpl/images/0990/1518/cac18.png)
Generally the lifting force is mathematically represented as
Here
is the difference in kinetic energy density between the top and the bottom
=>![\Delta P = \frac{1}{2} * 1.29 * [297^2 - 209^2 ]](/tpl/images/0990/1518/1e3e2.png)
=>![\Delta P = 2.92 *10^{4} \ Pa](/tpl/images/0990/1518/beef6.png)
So
=>![F_L = 759200 \ N](/tpl/images/0990/1518/a45fd.png)