Two satellite A and B go round a planet P in circularorbits having radii 4R and R respectively. If the speed of the satellite A is 3v, the speed of the satellite B will be

Two satellite A and B go round a planet P in circularorbits having rad

1.	Two satellite A and B go round a planet P in circularorbits having radii 4R and R respectively. If the speed of the satellite A is 3v, the speed of the satellite B will be
Answer» <html><body><p>12 v<br/>6 v<br/>`(4)/(3)` v<br/>`(3)/(2)` v</p>Solution :Orbital <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a>, `v=sqrt((<a href="https://interviewquestions.tuteehub.com/tag/gm-1008640" style="font-weight:bold;" target="_blank" title="Click to know more about GM">GM</a>)/(<a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a>))<a href="https://interviewquestions.tuteehub.com/tag/rarr-1175461" style="font-weight:bold;" target="_blank" title="Click to know more about RARR">RARR</a>(v_(A))/(v_(B))=sqrt((R_(B))/(R_(A)))=sqrt((R)/(<a href="https://interviewquestions.tuteehub.com/tag/4r-319038" style="font-weight:bold;" target="_blank" title="Click to know more about 4R">4R</a>))=(1)/(2)` <br/> `:. (v_(A))/(v_(B))=(3v)/(v_(B))=(1)/(2)rArr v_(B)=6v`.</body></html>