Calculating Deceleration and Stopping Time for Margo's Corvette

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To calculate the average deceleration of Margo's Corvette, the change in velocity is determined by subtracting the final speed (8.0 m/s) from the initial speed (32 m/s), resulting in a change of 24 m/s over 6.0 seconds. The average deceleration is then calculated by dividing this change in velocity by the time, yielding an average deceleration of 4.0 m/s². If the car continues to decelerate at this rate, it would take an additional 2.0 seconds to come to a complete stop from 8.0 m/s. The calculations demonstrate the relationship between speed, time, and deceleration. Understanding these steps can help clarify any confusion in similar problems.
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Margo's Corvette brakes from 32 m/s to 8.0m/s in 6.0 seconds. What is the average deceleration?

If the car continued decelerating at this rate, how long would it take to stop?

i just need to know how to do it cause my answers never came out right.
 
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