MasteringPhysics: Homework #7-Google Chrome Secure https://session.masteringphysics.com/myct/itemView?assignmentProblemID-84574266 Resources < previous | 3 of 11 next Homework #7 Problem 13.50 Problem 13.50 Part A The two stars in a binary star system have masses 2.2x1030 kg and 5.6 1030 kg. They are separated by 1.5 1012 m What is the system's rotation period, in years? Express your answer to two significant figures and include the appropriate units. T 24 yr Submit 枘 Incorrect; Try Again; 18 attempts remaining Part B What is the speed of the lightest star? Express your answer to two significant figures and include the appropriate units.