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| 1. |
Give reasonsa. SI units are used for scientific work.b. unit of speed is a derived unit. |
| Answer» <html><body><p><strong>Answer:</strong></p><p><img align="absmiddle" alt="{\huge{\textbf{\textsf{{\color{navy}{♡ An}}{\purple{sw}}{\pink{er ♡}}}}}}" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%7B%5Chuge%7B%5Ctextbf%7B%5Ctextsf%7B%7B%5Ccolor%7Bnavy%7D%7B%E2%99%A1%20An%7D%7D%7B%5Cpurple%7Bsw%7D%7D%7B%5Cpink%7Ber%20%E2%99%A1%7D%7D%7D%7D%7D%7D" title="{\huge{\textbf{\textsf{{\color{navy}{♡ An}}{\purple{sw}}{\pink{er ♡}}}}}}"/></p><p></p><p></p><p>A) SI is used in most places around the world, so our use of it allows scientists from disparate <a href="https://interviewquestions.tuteehub.com/tag/regions-1182272" style="font-weight:bold;" target="_blank" title="Click to know more about REGIONS">REGIONS</a> to use a single standard in communicating scientific <a href="https://interviewquestions.tuteehub.com/tag/data-25577" style="font-weight:bold;" target="_blank" title="Click to know more about DATA">DATA</a> without vocabulary confusion. </p><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>) In physics there are many quantities that cannot be expressed by a single base unit. <a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a>, the unit of speed is the meter per second, or m/s. The unit meter per second is called a derived unit, <a href="https://interviewquestions.tuteehub.com/tag/meaning-1091620" style="font-weight:bold;" target="_blank" title="Click to know more about MEANING">MEANING</a> that it is derived from the seven SI base units.</p></body></html> | |