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Ten days after it was launched toward Mars in December 1998, the Mars Climate Orbiter spacecraft (mass 629 kg) was 2.87 X 106 k/n from the earth and traveling at 1.20 X 104 km/h restive to the earth. At this time, what were?
(a) The spacecraft s kinetic energy restive to the earth and
(b) The potential energy of the earth-spacecraft system? |
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