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D) A person swims 100 m in the first40 s, 80 m in the next 40 s and 45 min the last 20 s. What is the averagespeed?(Ans: 2.25 m/s2)please solve the question not ealse then i will report u |
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><img align="absmiddle" alt="total distance \div total \: time" class="latex-<klux>FORMULA</klux>" id="TexFormula1" src="https://tex.z-dn.net/?f=total%20distance%20%5Cdiv%20total%20%5C%3A%20time" title="total distance \div total \: time"/></p><p><a href="https://interviewquestions.tuteehub.com/tag/use-1441041" style="font-weight:bold;" target="_blank" title="Click to know more about USE">USE</a> this formula </p><p><strong><u>(</u></strong><strong><u>1</u></strong><strong><u>0</u></strong><strong><u>0</u></strong><strong><u>+</u></strong><strong><u>8</u></strong><strong><u>0</u></strong><strong><u>+</u></strong><strong><u>4</u></strong><strong><u>5</u></strong><strong><u>)</u></strong><strong><u>m</u></strong></p><p><strong>(</strong><strong>4</strong><strong>0</strong><strong>+</strong><strong>4</strong><strong>0</strong><strong>+</strong><strong>2</strong><strong>0</strong><strong>)</strong><strong>s^2</strong></p><p><strong>=</strong><strong><u>2</u></strong><strong><u>2</u></strong><strong><u>5</u></strong></p><p><strong> </strong><strong> </strong><strong>1</strong><strong>0</strong><strong>0</strong></p><p><strong>=</strong><strong>2</strong><strong>.</strong><strong>2</strong><strong>5</strong><strong>m</strong><strong>/</strong><strong>s^2</strong></p><p><strong>Explanation:</strong></p><p><em>p</em><em>l</em><em>e</em><em>a</em><em>s</em><em>e</em><em> </em><em>mark</em><em> </em><em>as</em><em> </em><em><a href="https://interviewquestions.tuteehub.com/tag/brainliest-1995348" style="font-weight:bold;" target="_blank" title="Click to know more about BRAINLIEST">BRAINLIEST</a></em></p></body></html> | |