Physics laboratory: solving units with two different sets of instruments

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Physics laboratory: solving units with two different sets of instruments.

Context: The following physics laboratory bases on recording and analyzing data. The principal concern this exercise has, is to measure a microscope slide with distinct varieties of instruments, and from it organize, process, and operate the data in a respective manner (in order for the end, to solve the volume and mass and thus have the desired density). A micrometer (measures to a preciseness of + 0,001cm), a vernier (measures to a preciseness of + 0,01 cm), a common ruler (measures to a preciseness of + 0,1 cm) are the instruments implemented on this work, to demonstrate how small, slight changes of number s, at the end gives up a better or worse answer. E.g. When referring to engineering, a microscopic gap can make the difference between a safe plane flying for many years, and a plane that crashes at a young age. Manipulating so many pieces of data may become confusing, thus a procedure (method) has to take place.
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Method: The laboratory was divided onto two sections; initially were the instruments of less recording preciseness (Manual measuring balance, and a common ruler; preciseness of + 0,1 cm) and then the detailed instruments. Its Width, length, height were measured and written. From it, its percentage errors and possible errors were solved. The purpose of the percentage error is to create a discrepancy between an exact value and some approximation to it. An approximation error can happen due to main two factors which are: the measurement of the data is not precise (because of the instruments available), or also ...

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