8%) Problem 11: A car is driving along a circular track of diameter d = 0.85 km at a constant speed of v = 20.5 m/s. Otheexpertta.com A 25% Part (a) Write an expression for the magnitude of the acceleration a of the car in terms of the given parameters. Grade Summary a = Deductions 0% Potential 100% b 7 8 9 HOME Submissions Attempts remaining: 5 d g h 4 5 6 (0% per attempt) i K 2 3 detailed view m n P + O END S V VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. 4 25% Part (b) What is the magnitude, in meters per second squared, of the acceleration a of the car? A 25% Part (c) Write an expression for the minimum coefficient of friction u between the car's tires and the road that is required in order to keep the car going in a circle in terms of the given parameters. A 25% Part (d) What is the value of the minimum coefficient of friction u between the car's tires and the road that is required in order to keep the car going in a circle