A) \[{{v}_{1}}{{v}_{2}}\]
B) \[\frac{v_{2}^{2}}{v_{1}^{2}}\]
C) \[\frac{{{v}_{1}}+{{v}_{2}}}{2}\]
D) \[\frac{2{{v}_{1}}{{v}_{2}}}{{{v}_{1}}+{{v}_{2}}}\]
Correct Answer: D
Solution :
As the total distance is divided into two equal parts therefore distance averaged speed \[=\frac{2{{v}_{1}}{{v}_{2}}}{{{v}_{1}}+{{v}_{2}}}\]
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