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Question

The radius and mass of earth are increased by 0.5%. Which of the following statements are true at the surface of the earth 


  1. g will increase

  2. g will decrease

  3. Escape velocity will remain unchanged

  4. Potential energy will remain unchanged


Solution

The correct options are
B

g will decrease


C

Escape velocity will remain unchanged


D

Potential energy will remain unchanged


g=GMR2, ve=2GMR and U=GMmR

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