The total electromagnetic power emitted by the sun is 3.8 × 1026 w. what is the radiation pressure on a totally absorbing satellite at the orbit of mercury, which has an orbital radius of 5.8 × 1010 m?

Explanation:

The intensity of the radiation at the location of the satellite is given by:

where

is the power of the emitted radiation

is the area over which the radiation is emitted (the surface of a sphere), with

being the radius of the orbit

Substituting,

Now we can find the pressure of radiation, that for a totally absorbing surface (such as the satellite) is:

where

is the speed of light. Substituting,

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

unlike poles attract