Motion in A Straight Line

Question: If a car covers 2/5th of the total distance with v1 speed and 3/5th distance with v2 then average speed is



1) \[\frac{1}{2}\sqrt {{v_1}{v_2}} \]
2) \[\frac{{{v_1} + {v_2}}}{2}\]
3) \[\frac{{2{v_1}{v_2}}}{{{v_1} + {v_2}}}\]
4) \[\frac{{5{v_1}{v_2}}}{{3{v_1} + 2{v_2}}}\]
Solution: Explanation: Explaination
uniform-motion

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