

InterviewSolution
Saved Bookmarks
1. |
Even if the average velocity of a body is zero, its average speed may be non-zero-is it possibIe? |
Answer» <html><body><p></p>Solution :Displacement of a particle <a href="https://interviewquestions.tuteehub.com/tag/becomes-1994370" style="font-weight:bold;" target="_blank" title="Click to know more about BECOMES">BECOMES</a> zero if the particle returns to its starting <a href="https://interviewquestions.tuteehub.com/tag/point-1157106" style="font-weight:bold;" target="_blank" title="Click to know more about POINT">POINT</a> after completion of the journey. Then the average velocity <br/> =`("total displacement ")/("total <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a>") = 0 ` <br/> Again average speed = `("total distance <a href="https://interviewquestions.tuteehub.com/tag/covered-2552266" style="font-weight:bold;" target="_blank" title="Click to know more about COVERED">COVERED</a> ")/("total time")`, as the total distance covered is non-zero here the average speed is not equal to zero.</body></html> | |