2 years ago

What is the discharge of a stream that is one meter deep, two meters wide, and has a water flow of 5 meters per second

Physics

1 answer:

Svet_ta [14]2 years ago

4 0

Answer:

10 m^3 /s

Explanation:

1 m X 2 m X 5 m /s = 10 m^3/s

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Sirius A has a luminosity of 26 LSun and a surface temperature of about 9400 K.What is its radius?

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Answer

Given,

Sirius A surface temperature,T = 9400 K

Sirius A luminosity,L = 26 L₀

L₀ is the luminosity of sun.

Radius of sun = 695700000 m

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Luminous intensity is given by:-

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Now

$\frac{L}{L_{0}}=\frac{4 \pi R^{2} \sigma T^{4}}{4 \pi R_{0}^{2} \sigma T_{0}^{4}}=26$

$\Rightarrow \frac{R^{2} T^{4}}{R_{0}^{2} T_{0}^{4}}=26$

$\Rightarrow R^{2}=26 \times \frac{R^{2} T_{0}^{4}}{T^{4}}=26 \times \frac{695700000^{2} \times 5780^{4}}{9400^{4}}$

$R=1341246640\ m=1.34 \times 10^{9}$

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Which of the following is a result of reduced levels of red blood cells and elevated levels of white blood cells in the body?

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The cells that circulate in the bloodstream are generally divided into three types, white blood cells.

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In what climates would you expect soil to form fastest? Why?

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Soils develop faster in warm, moist climates and slowest in cold or arid ones. Rainfall is one of the most important climate factors in soil formation.

Please mark me brainliest!

Hope this helped God bless :)

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