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Isha lohan Asked a Question
January 14, 2021 6:53 pmpts 30 pts
36. The Moon is moving away from the Earth at the rate of about 4 cm yr . IfE denotes the total orbital energy of the Earth-Moon system and L denotes the orbital angular momentum then d 20 (a) dE 0 and >0 dE0 and b) dt dt dt dt dE (d) <0 and =0 dt dE (c) >0 and dt =0 dt dt
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  • Rohit kumar gupta Best Answer
    For this situation the rate of change of total energy must me positive and angular momentum will remain constant that is rate of change of angular momentum will zero. Hence the opt...
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    Isha lohan
    can you please explain why change of energy must be positive?