Two cars are moving towards an intersection. One car is 160\displaystyle {160} meters north of the intersection and moving towards the intersection at 19\displaystyle {19} m/s, while the other is 170\displaystyle {170} meters west of the intersection and moving away from the intersection at 12\displaystyle {12} m/s. How rapidly are the cars approaching each other 4\displaystyle {4} seconds later?

The cars are getting at m/s. (Enter your answer rounded to 3 decimal places)

 

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