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A room has dimensions 3.00 m (height) x 3.70 m x 4.30 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. A) What is the magnitude of its displacement? B) Could the length of its path be less than this magnitude? C) Greater? D) Equal? E) Choose a suitable coordinate system and express the components of the displacement vector in that system in unit-vector notation. F) If the fly walks, what is the length of the shortest path? (Hint: This can be answered without calculus. The room is like a box. Unfold its walls to flatten them into a plane.)

First big problem, does it go height, width, length or is it the other way around?