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course phy 201
While I can estimate to an extent with practice I may be able to improve but measuring by the eye just is not effective (at least not for me) I strongly believed in using firm tols for measurement before and now this just strengthens my resolve that one should use the tools available actually out of how many I did I got very few close and none exactly correct
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Some of us are more adept at analytical techniques than visualization.
Both are important, but naturally we gravitate toward the one with which we're most comfortable.
However we are very limited if we cannot to some extent use both tools. Using just one is a lot like having just one eye; we can end up lacking depth perception.
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There is no such thing as a firm tool of measurement. Any measuring device is limited in its precision, yielding fuzzy results at some level of precision, and it's essential to be able to deal with this lack of precision and understand the limits on the reliability of our results.
It is also valuable to have a degree of intuition regarding the systems we are measuring. Without an idea of how we expect things to work out, we're pretty helpless against errors in our analysis.
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