A car is traveling at 25 ms when it runs off the road and, Ask an Expert

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A car is traveling at 25 m/s when it runs off the road and hits a utility pole. The car stops instantly, but the driver continues to move forward at 25 m/s. the airbag starts from rest with a constant acceleration from a distance of 50cm away from the driver and makes contact with him in 9ms. What is the acceleration of the airbag?

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