Homework Help: physics

Posted by Whitney on Wednesday, November 3, 2010 at 10:13pm.

A speeding motorist traveling 125 km/h passes a stationary police officer. The officer immediately begins pursuit at a constant acceleration of 11.2 km/h/s (note the mixed units).
(a) How much time will it take for the police officer to reach the speeder, assuming that the speeder maintains a constant speed? in seconds
(b) How fast will the police officer be traveling at this time? in km/h

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