1.

A body moves in straight line with velocity \[{{v}_{1}}\], for 1/3rd time and for remaining time with \[{{v}_{2}}\] find average velocity.

A. \[\frac{{{v}_{1}}}{3}+\frac{2{{v}_{2}}}{3}\]             
B.  \[\frac{{{v}_{1}}}{3}+\frac{{{v}_{2}}}{3}\]
C.  \[\frac{2{{v}_{1}}}{3}+\frac{{{v}_{2}}}{3}\]
D.  \[{{v}_{1}}+\frac{2{{v}_{2}}}{3}\]
Answer» B.  \[\frac{{{v}_{1}}}{3}+\frac{{{v}_{2}}}{3}\]


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