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Atest car starts from rest on a horizontal circular track of 80-m radius and increases its speed at a uniform rate to reach 85 km/h

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Atest car starts from rest on a horizontal circular track of 80-m radius and increases its speed at a uniform rate to reach 85 km/h in 16 seconds. Determine the magnitude a of the total acceleration of the car 10 seconds after the start. Part 1 Calculate the tangential component a; of the acceleration. Answer: a; = a m/s2

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