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A Porsche speeds past a stationary police officer while traveling 130 km/h?

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The officer immediately begins pursuit at a constant acceleration of 11.8 km/h/s (note the mixed units), just as the speeder passes the officer.
(a) How much time will it take for the police officer to catch up to the speeder, assuming that the Porsche maintains a constant speed?
(b) How fast will the police officer be traveling at this time?

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