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3. A 67 kg runner is moving around a curved horizontal track with a radius of 36.5 m with a speed of 28.53 km/h. [8

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3. A 67 kg runner is moving around a curved horizontal track with a radius of 36.5 m with a speed of 28.53 km/h. [8 marks] (a) What is the centripetal acceleration of the car? (b) What is the magnitude of the force causing the motion? (c) What is the minimum coefficient of static friction between their shoes and track to ensure the runner does not slide during the run

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