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- Timestamp#1: We’re back!! It’s going to be a great season. Next year . . . victory over those Mangy Dogs
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- Timestamp#2: Hurricane Irma is making herself known
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- I went ahead and included screenshots from the first week in this slide show because the slides I included last week were from previous years. These are the actual screen shots from this year.
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- Everything is in motion.
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- The Luminous Aether (British spelling) was proposed as the ultimate reference point and a medium for light and heat transfer from sun to Earth by Isaac Newton in 1718. Turns out it doesn’t exist. Michelson and Morley (Americans) did a series of very expensive series of interferometer experiments in Cleveland Ohio in 1887 and basically proved that the aether isn’t a thing.
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- So we have to use this crazy definition of motion
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- When we went to the West Lawn, I had to switch to south being positive. Usually this isn’t the case.
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- Speed is a scalar, Velocity is a vector.
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- Vector addition is weird because you are adding arrows
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- See . . . 3 + 4 DOES equal 5.
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- Our first kinematic equation!
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- just plain old x is position. ∆x is displacement. the ∆ means “change in” .
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- 1.1.7
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- 1.1.7 We did this on the board.
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- 1.1.7
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- 1.1 . trial 4
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- The blue is the plot of trial 4
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- 1.1 Trial 5
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- more details of trial 5
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- The three dimensional graph of trial 5 (Here are the 3 dimensions: x, z and time.
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- From the homework 1.2.4
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- Homework 1.2.5
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- The follwong are from class discussion of the Metric Game (Sheet 1.3)
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- We talked about the fast speed possible (speed of light). We talked about the smallest distance possible (Plank Length)
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- Rule: Use no more than 5 leading or trailing zeros. When there is more than that use scientific notation.
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- From 1.4.3 . (We marked out 1.4.1 and 1.4.2)
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- 1.4.3 worked out
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- 1.4.4 worked out. You can find a help video of this problem on the Physics Facebook group and on the help video section of this website
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- When you are asking a question about a Take Home Test or Quiz problem, show the problem this way so other students can find it on the facebook group.
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- If I have time (or remember), I will add a pic or two at the beginning of each archived week to act as a time stamp.
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- Hurricane Harvey: This dude is attempting to receive a Darwin Award.
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- I will rely on previous years student notes because to tell you the truth, you do a better job than I do presenting the material.
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- We talked about the sun orbiting around the center of the Milky Way.
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- Good to print out and tape in your notebook.
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- Very important screen shot.
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- Enter the RED EQUATION!
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- Don’t be a liar. Too many digits misrepresent your data.
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- . . .
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- . . .
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- . . .
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- Coefficients don’t have units because they came from a mathematical derivation of the equation. In other words, the coefficient wasn’t something you measured with an instrument so it is infinitely accurate.
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- GREAT student notes.
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- . . .
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- . . .
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- . . .
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- 1.1.7
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- 1.1.7 Sample data
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- 1.1.7 Sample data
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- Here is another example. I think I put this one on the 1st quiz last year.
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- I need to make sure that ALL classes talk about this today.
Askey Physics 