(10%) Problem 10: An object of mass is launched from a planet of mass M and radius R. Borga, Yanies estrany.bhotmail.com sports.com-tracking4N9E-77-43-0507-25139 In contince with Export TA's Terms of Servies mpying this information for any sedutim sharing weballe strictly forbidden Doing so may result in termination of your Expo TAA 50% Part (a) Derive and enter an expression for the minimum launch speed needed for the object to escape gravity, i.e. to be able to just reach = 0, v-(2GMR) Correct! 50% Part (b) Calculate this minimum launch speed (called the escape speed), in meters per second, for a planet of mass M = 4 x 10 kg and R = 83 x 10 km. v=0.97.10(5) Grade Summary Deductions Potential 29 98%