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By what percent the energy of the satellite has to be increased to shift it from an orbit of radius `r` to `(3r)/2`.A. ` 66.7%`B. `33.3%`C. `75%`D. `20.3%` |
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Answer» Correct Answer - B `E_(1)=-(GMm)/(2r)` `E_(2)=-(GMm)/(2xx(3)/(2)xxr)=-(GMm)/(3r)` `%` increase in energy =-`((GMm)/(3r)+(GMm)/(2r))/(-(GMm)/(2r))xx100` `" " ((GMm)/(6r))/((-GMm)/(2r))=(100)/(3)%` `" " 33.33 %` |
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