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Question: Answered & Verified by Expert
The minimum and maximum distances of a planet revolving around the Sun are x1 and x2. If the minimum speed of the planet on its trajectory is v0, then its maximum speed will be:
PhysicsGravitationJEE MainJEE Main 2021 (25 Jul Shift 1)
Options:
  • A v0x12x22
  • B v0x22x12
  • C v0x1x2
  • D v0x2x1
Solution:
2376 Upvotes Verified Answer
The correct answer is: v0x2x1

Angular momentum conservation equation, 

v0x2=v1x1

v1=v0x2x1

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