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InterviewSolution
| 1. |
Energy required to move a body of mass 'M' from an orbit of radius 2R to 3R is........ |
| Answer» <html><body><p>`(<a href="https://interviewquestions.tuteehub.com/tag/gm-1008640" style="font-weight:bold;" target="_blank" title="Click to know more about GM">GM</a>)/(12R)`<br/>`(GMm)/(3R^(2))`<br/>`(GMm)/(<a href="https://interviewquestions.tuteehub.com/tag/8r-1930864" style="font-weight:bold;" target="_blank" title="Click to know more about 8R">8R</a>)`<br/>`(GMm)/(<a href="https://interviewquestions.tuteehub.com/tag/6r-331986" style="font-weight:bold;" target="_blank" title="Click to know more about 6R">6R</a>)`</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :Change in P.E in displacing a body from `r_(1)and r_(2)` is given by :<br/> `DeltaU = GMm [1/(r_(1))-1/(r_(2))]= GMm [1/(2R) -1/(3R)] = (GMm)/(6R)`</body></html> | |