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I think all the problems are pretty basic, but I just don't know how to start them. The problem that I'm working with right now says: A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 45 m/s. The arriving plane has a length of 36 m. By looking out of a window (very narrow), a passenger on the stationary plane can see the moving plane. For how long a time is the moving plane visible?

All I have down on my paper is a drawing of two planes and the numbers listed in that problem. If anyone could tell me where to go next, I'd appreciate it!

Thanks!

Gwyneth:)