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Grade 12th passGeneral Physics

Arun sir,Your answer of unbound orbit is correct.Now,please explain me this question.

Question image for Arun sir,Your answer of unbound orbit is correct.
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7 Years agoGrade 12th pass
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1 Answer

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ApprovedApproved Tutor Answer7 Years ago
According to conservation of linear momentum 
 
5MVo = -M Vo + 4M V
 
Hence
 
V = 3Vo/2
 
As V > Vo hence cannot be in circular orbit.
 
Energy of 4M mass
 
 = - 4MgMe/ r + ½ 4M V²
 
 
 = put V = 3 Vo/2
 
Then
 
Vo² = GMe/r
 
Hence it will be unbound