A "moving sidewalk" in an airport terminal building moves at a speed of V0 and is of length L. A woman steps on at one end and walks at speed V relative to the moving sidewalk.
1. How much time does she need to walk from one end to the other if she walks in the same direction the sidewalk is moving?
2. How much time does she need to walk from one end to the other if she walks opposite to the direction the sidewalk is moving?