synthesis vs analysis summry

discussionsummarypracticeproblems

Summary

  • Kinematics problems in two dimensions are essentially synthetic geometry problems. To solve them you should be able to…
    • represent a kinematic event with a geometric diagram,
    • use geometry to determine unknown magnitudes (lengths) and directions (angles), and
    • use these results to determine kinematic quantities.
  • Review the kinematic definitions presented earlier in this chapter.
    • First the scalar quantities…
      • Distance is a scalar measure of the space between two positions measured along the actual path connecting them.
      • Speed is the rate of change of distance with time.
    • And then the vector quantities…
      • Displacement is a vector measure of the space between two positions measured along the shortest path connecting them.
      • Velocity is the rate of change of displacement with time.
      • Acceleration is the rate of change of velocity with time.

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