Posted by **john ** on Monday, May 20, 2013 at 10:55pm.

An automobile and train move together along

parallel paths at 20.3 m/s.

The automobile then undergoes a uniform

acceleration of −4 m/s2 because of a red light

and comes to rest. It remains at rest for 19.4 s,

then accelerates back to a speed of 20.3 m/s

at a rate of 1.95 m/s2.

How far behind the train is the automobile

when it reaches the speed of 20.3 m/s, as-suming that the train speed has remained at

20.3 m/s?

Answer in units of m

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