Answer:
Ought
Explanation:
Ought self is what a person feels he should become.
If you have ever felt anxious because you knew that you should have visited family rather than going out with friends, psychologists have an explanation for this conflict. According to the self-discrepancy literature, you experienced disconnect between your actual self and your ought self
This is a true statement as you must learn to gauge the needs of your audience whenever you are speaking publicly.
Solution :
The semi-major axis of any terrestrial body may be defined as equal to mean distance of the body, so that the cube of its mean distance of the planet is directly proportional to the square of the sidereal period.
It is given by Kepler's third law,

where p is the orbital period
a is the semi major axis
Given :
a =
m
Therefore, a =
m
= 3.3 AU
So, 

p = 6 years (approximately)
or p =
seconds ( since, 1 year =
seconds )