A person completes half of his journey with speed v1 and rest half with speed v2. The…
Physics · JEE Main · NTA Exams — Kinematics
A person completes half of his journey with speed v1 and rest half with speed v2. The average speed of the person is
- \(\frac{v_{1}+v_{2}}{2}\)
- \(\frac{2 v_{1} v_{2}}{v_{1}+v_{2}}\)
- \(\frac{v_{1} v_{2}}{v_{1}+v_{2}}\)
- \(\sqrt{v_{1} v_{2}}\)
Answer
(B) 2 v_ 1 v_ 2 v_ 1 +v_ 2
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