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vovikov84 [41]
3 years ago
8

What effect do shiny metals have on radiant energy?

Physics
2 answers:
laiz [17]3 years ago
6 0

<u>In</u><u> </u><u>simple</u><u> </u><u>words</u>, Shiny metals reflects radiant energy.

  • It can reflect, scatter, absorb, or transmit energy.
  • As the metal surface is shiny, it does not emit radiant energy.
  • The lustrous metals conduct heat radiation e.i., Iron, copper.
Andreyy893 years ago
4 0

Answer:

Metals conduct heat and reduce the kinetic energy within the components that need to remain cool

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A geosynchronous Earth satellite is one that has an orbital period of precisely 1 day. Such orbits are useful for communication
koban [17]

Answer:

r = 4.24x10⁴ km.  

     

Explanation:

To find the radius of such an orbit we need to use Kepler's third law:

\frac{T_{1}^{2}}{T_{2}^{2}} = \frac{r_{1}^{3}}{r_{2}^{3}}

<em>where T₁: is the orbital period of the geosynchronous Earth satellite = 1 d, T₂: is the orbital period of the moon = 0.07481 y, r₁: is the radius of such an orbit and r₂: is the orbital radius of the moon = 3.84x10⁵ km.                           </em>                              

From equation (1), r₁ is:

r_{1} = r_{2} \sqrt[3] {(\frac{T_{1}}{T_{2}})^{2}}                            

r_{1} = 3.84\cdot 10^{5} km \sqrt[3] {(\frac{1 d}{0.07481 y \cdot \frac{365 d}{1 y}})^{2}}      

r_{1} = 4.24 \cdot 10^{4} km      

Therefore, the radius of such an orbit is 4.24x10⁴ km.

I hope it helps you!

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4 years ago
To reduce friction on an aircraft, the surfaces (skin) are ? and the body is ?
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Why does an object roll faster down a steeper hill than a not so steep hill.
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