Solution: How long would a day be if the Earth were rotating
Chapter 18, Problem 78GP(choose chapter or problem)
Two equal-mass stars maintain a constant distance apart of \(8.0 \times 10^{10} \mathrm{~m}\) and rotate about a point midway between them at a rate of one revolution every 12.6 yr. (a) Why don't the two stars crash into one another due to the gravitational force between them? (b) What must be the mass of each star?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer