Question: 1. The quantity = 3.14159 ... is a number with no dimensions, since it is a ratio of two lengths. Describe two or three other

1. The quantity = 3.14159 ... is a number with no dimensions, since it is a ratio of two lengths. Describe two or three other geometrical or physical quantities that are dimensionless.

2. A circular racetrack has a radius of 500 m. What is the displacement of a bicyclist when she travels around the track from the north side to the south side? When she makes one complete circle around the track? Please Explain.

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