daskey

I am currently teaching Physics with my Masters in Science Education. I have taught Chemistry, AP Chemistry, Physics, and AP Physics C for the last 36 years.
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daskey GIFs

a smiley face is in a square with an arrow pointing to it and a = 0
    a drawing of a triangle with a t on it
    a drawing of a circle with a green arrow pointing to it
      a blue and orange drawing of a pendulum with a ball on it