Friday, November 6, 2009

Exams and Smores

Physics 30 will be having the second unit exam on Tuesday, Nov. 17. Please, set up a time for extra assistance if you want it.

Math A30
will have an exam on Wednesday, Nov. 18. It will cover all of chapter 4.

Physics 20. No exam coming up, but I just wanted to mention how we made smores. We tried on two different days to measure the speed of light in a microwave. The second time we melted marshmallows and chocolate chips. We found the hot spots in the microwave which correspond to antinodes in a standing wave pattern. By measuring the distance bewteen the hotspots we could find the wavelength of the microwave. Then by using the wave equation we found the speed of light! Our value was off by a bit, but it was delicious!

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