Welcome to Westonci.ca, the place where your questions are answered by a community of knowledgeable contributors. Experience the ease of finding reliable answers to your questions from a vast community of knowledgeable experts. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

An airplane is located at position (6,7,5) at noon and is traveling with velocity 400????+500????−???? kilometers per hour. The pilot spots an airport at position (26,32,0).
(a) At what time will the plane pass directly over the airport? (Assume that the plane is flying over flat ground and that the vector k points straight up.)
(b) How high above the airport will the plane be when it passes?