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If satellite is revolving around a planet of mass  in an elliptical orbit of semi-major axis , find the orbital speed of the satellite when it is at a distance  from the focus

a)

b)

c)

d)



Question ID - 54607 | SaraNextGen Top Answer

If satellite is revolving around a planet of mass  in an elliptical orbit of semi-major axis , find the orbital speed of the satellite when it is at a distance  from the focus

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

As in case of elliptic orbit of a satellite mechanical energy

 remains constant, at any position of satellite in the orbit,

      …(i)

Now, if at position  is the orbital speed of satellite

 and   …(ii)

So, from Eqs. (i) and (ii), we have

127 votes


127