Friday, October 10, 2014

A room has dimensions 3.00 m (height) × 3.70 m × 4.30 m. A fly starting at one corner flies around,...

A room has dimensions 3.00 m (height) Ă— 3.70 m Ă— 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?

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