Soru
Select the correct answer. You travel in a circle, whose circumference is 8 kilometers, at an average speed of 8 kilometers/hour . If you stop at the same point you started from, what is your average velocity? A. 0kilometers/hour B 2kilometers/hour C 4kilometers/hour D 8kilometers/hour E. 16kilometers/hour
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(351 Oylar)
Selma
Elit · 8 yıl öğretmeni
Uzman doğrulaması
Cevap
The correct answer is A.
.Explanation:Average velocity is defined as the total displacement divided by the total time taken. In this case, since you travel in a circle and return to the same point you started from, the displacement is zero. Therefore, regardless of the average speed, the average velocity is
.