• The Kinematic Formulas

  • Jul 22 2021
  • Length: 12 mins
  • Podcast

The Kinematic Formulas

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  • Summary

  • Last week we listened to the start of a new idea. We expanded on motion and are now talking about up and down → vertical motion.

    We spent a lot of time getting accustomed to objects moving - where they are, how fast they move, what direction that movement is in

    And now we’re applying it to objects that are withstanding the force of gravity.

    Last week I gave you two equations → the first one was simple. It says v is equal to Vo (initial velocity) + a times t. (acceleration times time)

    The other formula was a little more complicated.

    The formula says position equals initial position + initial velocity times time plus ½ acceleration times time squared

    Y = Yo + vo t + ½ a t^2

    To truly use these formulas and to do so successfully, is to understand vertical motion.

    Vertical motion is an object moving up or down. I want you to imagine an apple falling from a tree when we are talking about an object falling down. I want you to imagine one of those stomp rockets where you set a little foam rocket on a launcher, attached to a pump that you step on and then the rocket goes up when you stomp. Imagine that rocket when we are talking about an object launching up.
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