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QJEEM19Ph4514: JEE Main 2019 Physics - Class 11 JEEM19Ph4514 Solution: A satellite of mass M is in a circular orbit of radius R about…

A satellite of mass M is in a circular orbit of radius R about the centre of the earth. A meteorite of the same mass, falling towards the earth, collides with the satellite completely inelastically. The speeds of the satellite and the meteorite are the same, just before the collision. The subsequent motion of the combined body will be :

Multiple Choice Options

  • A in the same circular orbit of radius R
  • B such that it escapes to infinity
  • C in a circular orbit of a different radius
  • D in an elliptical orbit

Step-by-Step Verified Solution

JEE Main 2019 (Online) 12th January Morning Slot Physics - Gravitation Question 157 English Explanation
mv i^\widehat i + mv j^\widehat j

= 2m v→1{\overrightarrow v ^1}

v→\overrightarrow v = 12×GMR{1 \over {\sqrt 2 }} \times \sqrt {{{GM} \over R}}

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