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Grade 12Algebra

A satellite of mass m, initially at rest on the earth, is launched into a circular orbit at a height equal to the radius of the earth. The minimum energy required is

Profile image of Tanya
9 Years agoGrade 12
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1 Answer

Profile image of Vikas TU
9 Years ago
: It is based on energy consevration.
Ui  =  -GMm/r and Uf = -GMm/(r+h)
 
Here we have r =h, hence the minimum energy required is the difference of energies 
U= -GMm/r + GMm/2r => GMm/2r