Select the correct answer. Wiki is an acronym that stands for which of the following?
OA
What Internet Knowledge is
OB.
What Information Know Is
O C.
World Internet Knowledge is
OD
What I Know Is

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.