alejandra aguinaga

Most popular questions and responses by alejandra aguinaga
  1. physics

    A race car completes the final lap of a race on a 2-kilometer circular track. At the start of the lap, it crosses the line at 60 meters/second. It completes the lap 28.57 seconds later, crossing the line at 85 meters/second. Calculate the displacement and

    asked on November 28, 2012