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Use the worked example above to help you solve this problem. A typical jetliner lands at a speed of 144mi/h and decelerates at the rate of (12.5 mi/h)/s. If the jetliner travels at a constant speed of 144 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?

A jet lands at 14.8 m/s, applying the brakes 2.19 s after landing. Find the acceleration needed to stop the jet within 5.89 102 m?

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