Homework Help: Science

Posted by Anonymous on Thursday, December 22, 2011 at 1:35am.

Two satellites are launched at a distance R from a planet of negligible radius. Both satellites are
launched in the tangential direction. The ﬁrst satellite launches correctly at a speed v0 and enters
a circular orbit. The second satellite, however, is launched at a speed
1
2
v0. What is the minimum
distance between the second satellite and the planet over the course of its orbit?

Science - drwls, Thursday, December 22, 2011 at 9:16am
Where you wrote:
1
2
v0,
is that supposed to be (v0/2) ?

If so, the second satellite does not have sufficient kinetic energy to maintain a circular orbit at distance R.

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