Scalars, vectors, and one dimensional motion

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  1. Introduction to scalars, vectors, and one dimensional motion
  2. How to write scalars and vectors; definitions of distance, position and displacement
  3. Definitions of speed and velocity
  1. Distance and displacement, speed and velocity
    Betty walks 5 m to the east, then 7 m to the west, in 10 s.
    1. What is the total distance travelled?
    2. What are Betty's initial and final positions, and displacement?
    3. What is Betty's speed?
    4. What is Betty's velocity?
    1. Rearranging v=Δd/t\vec{v} = \Delta\vec{d}/t for displacement and time
      A car travels at 11.0 m/s [E]
      1. What is its displacement if it travels for 13.5 s?
      2. How long does it take to travel 542 m?