Question and answer
A train approaching a crossing changes speed from 25 m/s to 10 m/s in 240 s. How can the train’s acceleration be described? A. The train’s acceleration is positive. B. The train is not accelerating. C. The train will come to rest in 6 minutes. D. The train’s acceleration is negative
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A train approaching a crossing changes speed from 25 m/s to 10 m/s in 240 s. The train’s acceleration is negative.
Expert answered|andrewpallarca|Points 14708|
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Asked 9/24/2012 11:46:53 AM
Updated 6/28/2014 5:02:58 PM
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This answer has been confirmed as correct and helpful.
Edited by Janet17 [6/28/2014 5:02:53 PM], Confirmed by Janet17 [6/28/2014 5:02:58 PM]
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