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Find the average acceleration of a northbound subway train that slows down from 12 m/s to 9.6 m/s in 0.8 s.
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Find the average acceleration of a northbound subway train that slows down from 12 m/s to 9.6 m/s in 0.8 s.

User Hans Koch
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1 Answer

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(9.6-12 m/s)/(0.8 s) = (-3 m)/s^2 north
User Amir Rezvani
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