As the shuttle bus comes to a sudden stop to avoid hitting a dog, it accelerates uniformly at - 4.1 m/s^2 as it slows from 9.0 m/s to 0.0 m/s. Find the time interval of acceleration for the bus.

Question

Leonardo Nelson

Physics

22 November, 18:54

As the shuttle bus comes to a sudden stop to avoid hitting a dog, it accelerates uniformly at - 4.1 m/s^2 as it slows from 9.0 m/s to 0.0 m/s. Find the time interval of acceleration for the bus.

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Answers (1)

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Ryan Curtis · Answer 1

Acceleration = (change in speed) / (time for the change)

- 4.1 m/s² = (-9 m/s) / (time for the change)

Time for the change = (-9 m/s) / (-4.1 m/s²) = 2.2 seconds