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if the mass of the earth is twice as much as at present then the time period of moon revolving at the same distance at present will be...

if the mass of the earth is twice as much as at present then the time period of moon revolving at the same distance at present will be...

Grade:12th pass

1 Answers

Rama sai rohan
32 Points
6 years ago
As the moon is revolving arround earth So centripetal force =gravitational force "M"is mass of eart "m" is mass of moonR is the distance between them(mv^2)/R=GMm/R^2GM/R=V^2 here V=2πR/TGM/R =4π^2R^2/T^2 T^2=(4π^2R^3)/(GM)T is proportional to 1/√MAs" M" is doubled time will be 1/√2 times of initial

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