Mathematics, 14.02.2021 04:50 yaya111601

A railroad track and a road cross at right angles. An observer stands o the road 70m south of crossing and watches an eastbound train traveling at 60m/s. At how many m/s is the train moving away from the observer 4 seconds after it passes through the intersection

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A railroad track and a road cross at right angles. An observer stands o the road 70m south of crossi...

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