Friday
August 22, 2014

Homework Help: physics

Posted by nelly on Sunday, August 29, 2010 at 8:02pm.

An engineer in a locomotive sees a car stuck on the track at a railroad crossing in front of the train. When the engineer first sees thecar, the locomotive is 310 m from the crossingand its speed is 10 m/s.If the engineer’s reaction time is 0.39 s,what should be the magnitude of the minimum deceleration to avoid an accident?Answer in units of m/s2.

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