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Question

A body moves in straight line with velocity v1 for (13)rd of time and for remaining time with v2. Find the average velocity of body.

A
v13+2v23
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B
v13+v23
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C
2v13+v23
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D
v1+2v23
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Solution

The correct option is A v13+2v23
As we know that, average velocity of the body is given by
Total displacementTotal time
vavg=v1(t3)+v2(2t3)t=v13+2v23

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