Elliptical orbit around a massive spherical planet

  • Thread starter NAkid
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Homework Statement


The path of a very small satellite S in an elliptical orbit around a massive spherical planet P is shown in the figure. The distance from 3 to 4 is the same as from 4 to 5, 9 to 10, and 10 to 11.
(Select T-True, F-False, G-Greater than, L-Less than, E-Equal to, If the first is T and the rest F, enter
TFFFFFF).

https://cats.lsa.umich.edu/msuphysicslib/Graphics/Gtype30/prob02a_ellipse2na.gif

A) The total PE + KE of S at `4' is .... that at `9'.
B) The magnitude of the force on S at `2' is .... at `8'.
C) The PE of S varies with position.
D) The torqe exerted on S is constant
E) S has its minimum speed at `10'.
F) The speed of S at position `2' is .... at `8'.
G) P could be at position X for the orbit of S shown.


Homework Equations





The Attempt at a Solution



A) The total PE + KE of S at `4' is .... that at `9'. GREATER THAN
B) The magnitude of the force on S at `2' is .... at `8'. LESS THAN
C) The PE of S varies with position. TRUE, depends on R
D) The torqe exerted on S is constant NOT SURE, FALSE?
E) S has its minimum speed at `10'. LESS THAN
F) The speed of S at position `2' is .... at `8'. LESS THAN
G) P could be at position X for the orbit of S shown. TRUE
 
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Answers and Replies

  • #2
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I doubt too many people here go to the university of michigan. Could you upload the diagram somewhere we don't need to log into?
 

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