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The geostationalry orbit oif the earth i...

The geostationalry orbit oif the earth is at a distance of about 36000 km from the earth's surface. Find the weight of a 120 kg equipment placed in a geostationary satellite. The radius of the earth is 6400 km.

A

`1/2h`

B

`1h`

C

`2h`

D

`4h`

Text Solution

Verified by Experts

The correct Answer is:
C
`T^(2)propR^(3)`
Now `R_(C)=6400km, (T^(2))/((24)^(2))=(6400/36000)^(3)`
`implies T=1.7h`
For the spy satelite, `R` is slightly greater than `R_(C)`
`implies T_(S)gtT, :. T+s=2h`
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