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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...`
one year ago

Rama sai rohan
32 Points
```							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
```
one year ago
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Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions