Friday, October 29, 2010
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Welcome to PHY 121 Blog Help. Here's how it works. For each homework question and lab report we will make a post, this will probably contain a few tips on what the problems are about and how to solve them. If you are stuck on something then instead of emailing us directly you should post a comment in reply to the relevant post. We will try to guide you through tough points and help you understand the problems and the concepts behind them.
5 comments:
I don't understand how to figure out part b and c based on the equation on page 20
Think how the mass and length are related to mu
I still can't figure out part B. If you quadruple the mass, doesn't the "quadruple" get cancelled out?
For part B, you divide by 2 and for part C you multiply by 2. I just don't understand why 100%?
what enters the formula is not the mass but mass per length, this is what mu stands for
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