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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
Mr the moon is moving away from the earth at the rate of about 4 cm yrl. if e denotes the total orbital energy of the earth-moon system and l denotes the orbita
mr The Moon is moving away from the Earth at the rate of about 4 cm yrl. If E denotes the total orbital energy of the Earth-Moon system and L denotes the orbital angular momentum, then dL >0 dt dE aD 0 and (b) dt dL d -<0 (a) >0 and dt 0 dt dt dE0 and (c) dt dL0 (d) dE d) <0 and d 0 dt dt dt [IISc-2008] Ang. (c)
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Dr suman 1 Best Answer
the total orbital energy of moon Earth system is always positive and greater than zero. when the moon rotates around the earth it posses constant angular momentum so change in angular momentum is also zero. so option C is correct