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An artificial satellite is made to move in circular orbits of different radii around the earth. The variations of its K.E.,P.E. and total energy (E) in different orbits is shown in the figure by different curves. Then for satellites A. A represents the K.E., B the P.E. and C the total energyB. A represents the P.E.,Bthe K.E. and C the total energyC. A represents the P.E.,Bthe total energy and C the K.E.D. A represents the total energy, B the K.E. and C the P.E. |
Answer» Correct Answer - C The K.E. is always positive. `therefore` The curve C represents the K.E. Both P.E. and total energy are positive but `|E|lt|P.E.|` As P.E. = 2 (Total energy) `therefore` B represents the total energy and A represents the P.E. |
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