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Statement of a problem № 2451

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The speed of a train is reduced uniformly from 15 m/s to 7.0 m/s while traveling a distance of 90 m. (a) Compute the acceleration. (6) How much farther will the train travel before coming to rest, provided the acceleration remains constant?

Solution:
The speed of a train is reduced uniformly from 15 m/s to 7.0 m/s while traveling

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