A blue car travelling at 50 km/hr enters the curved path at point A as shown. Section AB has an are length measuring LAB

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A Blue Car Travelling At 50 Km Hr Enters The Curved Path At Point A As Shown Section Ab Has An Are Length Measuring Lab 1 (49.34 KiB) Viewed 112 times

A blue car travelling at 50 km/hr enters the curved path at point A as shown. Section AB has an are length measuring LAB​=225 m and an inside angle of ΘAA​=120 degrees, while sections BC and CD measure 50 m and 80 m respectively. Starting from point A, the car uniformly slows down to VD​=39 km/hr at point D, then travels at a constant speed through section DE (a) find the magnitude of the car's total accelration in m/5A˚2 immediately before reaching point B. (b) what is the magnitude and direction of the car's total acceleration in m/∧2 at point C (c) find the minimum radius of curvature of section DE in m if the car's wheels can resist a lateral acceleration of a ast​=2.397 m/s∧2 before slipping (d) Using your answer in (c), find the car's total travel time in seconds if arc DE has an inside angle of theta DE=130 degrees.