Question 1186193
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In this post,  one vitally important parameter is missed.


It is the distance between the lowest point of the cable and the roadway level.


Without it,  the problem can not be solved.




Also,  do not try to pack more than one problem/question in one post.


It  ALWAYS  works against your better interests.



By the way,  you request to write the standard form equation of an ellipse,
and I totally do not understand,  how this part is logically connected with the main body of the post ?


Is it a mistake,  or  WHAT ?




It is much better to make/ (to prepare) one problem correctly,  than two incorrectly.