Physics - Acceleration

OPENING QUESTION: What is the equation of motion that we derived from the definition of acceleration yesterday?

SUB: Please spin the spinner (Period 02     Period 03     Period 05) and recruit a volunteer (or 2 or 3!) to answer!

LEARNING OBJECTIVES:

  • I will work with my group to analyze the examples in the book to derive two of the important equations of motion during today's class

CALENDAR:

WORDS O' THE DAY:

  • SEP: Science & Engineering Practices
  • CCC: Cross-Cutting-Concepts

FORMULAE OBJECTUS:

    • a = (vf - vi)/(tf - ti) (definition of *average* acceleration)

    • g = 9.81 m/s2 (acceleration an object experience on Earth) ONLY present in vertical motion (Y axis) problems

      0) vt=x (we won't EVER use this for vertical motion--- why not?)

      0) vt=x (this ONLY works in horizontal <x> motion!)

      1) vf = vi +at (Derived on Tuesday)

      2) vavg = (vi + vf)/2 (this is kinda obvious, and useless)

      3*) xf = xi + vit + 1/2at2

      4*) vf2 - vi2 = 2a∆x

*substitute y for x for vertical problems

WORK O' THE DAY:

Please watch THIS on the BIG SCREEN (if possible).

Keep in mind that our QUESTION that we are addressing in this unit is.... (what?)

SUB: Please ask for volunteers

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Please finish the problems I assigned yesterday (#16 - 19) on page 68

 

 

HOLD OFF ON THESE FOR NOW

Now let's journey to the wonderful world of the Physics Classroom. A high school physics teacher put an entire curriculum online with the help from grants from the National Science Foundation (I think?).

Anywho-- I really like the way the site is put together. There are audio hints and other tools to assist you.

Please take a gander at the following problems.

    #1 , #4 - #7, #9, #11

    Problems in blue font are particularly *nasty*

    Be SURE and use FULL WOLGEMUTHIANS no matter how simple the problem may be

    If you need MORE practice, the problems on THIS page tend to be fairly mellow