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A Car Accelerates Uniformly From Rest At 5m/s^2 Until It Reaches A Speed Of 20/s. It Travels At This Speed For 4sec. The Brake Are Applied And Come To Rest With A Uniform Retardation In Further 8 Sec.I. Determine How Far The Car Traveled After The Brake Are Applied.II. Calculate The Total Distance Covered By The Car.III. Calculate The Average Speed Of The Journey - Math Discussion

A car accelerates uniformly from rest at 5m/s^2 until it reaches a speed of 20/s. It travels at this speed for 4sec. The brake are applied and come to rest with a uniform retardation in further 8 sec.I. Determine how far the car traveled after the brake are applied.II. Calculate the total distance covered by the car.III. Calculate the average speed of the journey