(5%) Problem 10: Two objects, A and B, hang from a system of ropes and ideal pulleys, as shown. Their masses are mA =282 kg and mp, and the angle in the diagram is $ =26 0. A B A 50% Part (a) Write an expression for mB. Your answer be in terms of mA and d. Grade Summary mB = Deductions 0% Potential 100% cos(a) cos(() cos(0) 7 9 HOME Submissions sin(o) sin(0) sin(0) 1 6 + Attempts remaining: 999 (0% per attempt) Y 2 3 detailed view g + END m MA n BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. 4 50% Part (b) What is the mass of object B in kg