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Paul is driving south down Pembina highway at a constant speed of 20 m/s. He sees...

Paul is driving south down Pembina highway at a constant speed of 20 m/s. He sees a truck in one of the north-bound lanes. The truck is initially stopped at the next traffic light, which is 500 m away. At this point, the light turns green and the truck starts accelerating northwards (towards Paul) at a constant acceleration of 1.2 m/s2. At what distance from the position where Paul first saw the truck, do they pass each other?

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