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Kinematics_5.1 (Constant Non-Zero Acceleration)

A car is initially moving with a velocity of +28 m/s. It then slows down and comes to a complete stop in 70 m, as shown in the diagram below. What is its acceleration? How long does it take the car to come to a complete stop? How long does it take the car to cover the first 35 m? determine the ratio: 𝑑(𝑡=0→1 𝑠)= ? 𝑑(𝑡=1→2 𝑠) determine the ratio: 𝑠_𝑎𝑣𝑔 (𝑡=0 →2 𝑠)=? 𝑠_𝑎𝑣𝑔 (𝑡=2 →4 𝑠) TRUE or FALSE: The average speed savg during each second increases as the airplane accelerates. If the initial speed of the car was doubled to 56 m/s, what is the distance it would take for the car to come to a complete stop under the same acceleration?

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