Hi folks,
We did a bit more work with the basics of energy today. Specifically, taking a look at conservation of energy and energy efficiency. We did a lab to evaluate the energy efficiency of a pendulum.
The book really doesn't go into enough detail as far as the basics of energy goes, so I'm including an eBook version of my Bite-Size Physics: Energy book for more background.
Homework this week is to:
1. Read the enclosed eBook up to the Vibrations chapter.
2. Do the "Did you Get it" questions at the end of the Energy chapter.
3. Do the "Did you Get it" and the "A Little Math" questions at the end of the Kinetic and Potential Energy chapter.
4. Finish the lab from class. You should have the potential energy from each swing, the potential energy lost after each swing, the energy efficiency of each swing and, lastly, an overall energy efficiency average.
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