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Question: Answered & Verified by Expert
A person travels along a straight road for half the distance with velocity $v_1$ and the remaining half distance with velocity ${ }^{v_2}$ The average velocity is given by
PhysicsMotion In One DimensionJEE Main
Options:
  • A $v_1 v_2$
  • B $\frac{v_2^2}{v_1^2}$
  • C $\frac{v_1+v_2}{2}$
  • D $\frac{2 v_1 v_2}{v_1+v_2}$
Solution:
2648 Upvotes Verified Answer
The correct answer is: $\frac{2 v_1 v_2}{v_1+v_2}$
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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