Sir i tried using the concept of degenerate ellipse in the following quest but wasnt able to get the rt ans.....
A tunnel is dug along the diameter of Earth of radius R and a small body is dropped into it at the surface.the time taken by the body to reach centre of the planet is.......
9 years ago
by
Mohak Sharma
Ans
1
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I considered the earth to be a pt mass about which the small particle would orbit in degenerate elliptical path with semi major R/2. ................the correct ans of the ques is (pi/2)(R/g)^1/2.......please help.
9 years ago
by
Mohak Sharma
Ans
2
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degenerated ellipse concept won't be valid here as g is changing inside the earth with depth...
9 years ago
by
Physics Galaxy
Ans
3
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But sir when the planet is falling into the sun in the illustration its acceleration is also changing as GM/x^2. Then why is degen ellipse concept valid here......thnxs
9 years ago
by
Mohak Sharma