An unmarked police car travelling with the constant speed 90 km/h, is passed by a speeder with an unknown constant speed. Precisely after 1 sec police car accelerates uniformly at 2 m/s2, and overtakes the speeder 7 sec later, what was the speeder’s speed?

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter2: Kinematics
Section: Chapter Questions
Problem 34PE: In World War II, there were several reported cases of airmen who jumped from their flaming airplanes...
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An unmarked police car travelling with the constant speed 90 km/h, is passed by a speeder with an unknown constant speed. Precisely after 1 sec police car accelerates uniformly at 2 m/s2, and overtakes the speeder 7 sec later, what was the speeder’s speed?

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