Textbook ExpertVerified Tutor
12 Jan 2022
Given information
Two equal-mass stars maintain a constant distance apart
of and revolve about a point midway between
them at a rate of one revolution every 12.6 yr.
Step-by-step explanation
Step 1.
The circular motion of the two stars prevents them from colliding. They are being pushed in a circular motion by a centripetal force. Another way to think about it is that stars have a velocity, and gravity causes change in velocity rather than actual velocity.
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