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Related Questions

  1. Two spherical bodies of mass M and 5 M and radii R and 2 R released in free space
  2. The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
  3. A heavy stone hanging from a massless string of length 15 m is projected
  4. A microscope is having objective of focal length 1 cm and eye-piece of focal length 6 cm.
  5. The vector sum of two forces is perpendicular to their vector difference. In that case,