Units

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An astrophysics hack: knowing units versus memorizing equations
Starting out in physics and astronomy can seem overwhelming due to the large amount of different topics covered in introductory courses. Sometimes it seems like every week we have a whole new list of equations to use in our homework. In many academic areas memorizing equations, like the Pythagorean theorem, is very useful for problem solving (and ...
Units: the hints hidden in every physics and engineering problem
In many science and engineering classes, units can be seen as an additional step that needs to be taken into consideration when completing a problem. In some problems on the Fundamental Engineering exam, mismatched units are intentionally used in an attempt to confuse students and measure their understanding of key concepts. Nonetheless, units ...
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