Teaching Physics with the Physics Suite

Edward F. Redish

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Velocity and Pace

When we drive a car we usually describe our motion in terms of a speed or velocity. A speed limit, such as 60 miles/hr, is a speed. When runners or joggers describe their motion, they often do so in terms of a pace how long it takes to go a given distance. A 4-minute mile (or better, "4 minutes / mile") is an example of a pace.

  1. Express the speed 60 mi/hr as a pace in minutes/mile.
  2. I walk on my treadmill at a pace of 17 minutes/mile. What is my speed in miles/hour?
  3. If I travel at a speed, v, given in miles/hr, what is my pace, p, given in minutes/mile? (Write an equation that would permit easy conversion.)

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Page last modified September 30, 2002: G03