An airplane passes over a control tower at noon and continues to fly west at 100 km/h. A second airplane passes over the same

Question

An airplane passes over a control tower at noon and continues to fly west at 100 km/h.
A second airplane passes over the same tower at 1:00 p.m. flying south at 150 km/h.
How fast are the airplanes separating at 2:00 p.m.?

Kunduz · Accepted Answer

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