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Physics Chemistry

Entry Test MCQ :: Work And Energy

  The relation between the escape velocity V esc and orbital speed Vo is given by
[A]. V esc = 1/2Vo[B]. V esc = ?2 Vo
[C]. V esc = Vo[D]. V esc = 2Vo

Answer: Option B
An mol said:    
 
Plz explanation!!
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