Suspect is actually telling the truth and they describe the events of a certain evening with confidence. After being asked to do so suspect I didn’t retails events with the same evening in reverse order. what is a suspect relying on?

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.