A bird flies to and fro between two cars which move with velocities $v_{1}$ and $v_{2}$ towards each other. If the speed of the bird is $v_{3}$ and the initial distance of separation between them is d. Find the total distance covered by the bird till the cars meet

\frac{{d v}_{3}}{v_{1} + v_{2}}

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\frac{{d v}_{1}}{v_{3} + v_{2}}

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\frac{{d v}_{2}}{v_{3} + v_{1}}

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\frac{{d v}_{3}}{v_{1} - v_{2}}

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Solution

The correct option is A $\frac{{d v}_{3}}{v_{1} + v_{2}}$

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A bird flies to and fro between two cars which move with velocities v1 and v2 towards each other. If the speed of the bird is v3 and the initial distance of separation between them is d. Find the total distance covered by the bird till the cars meet

The correct option is A dv3v1+v2

A bird flies to and fro between two cars which move with velocities $v_{1}$ and $v_{2}$ towards each other. If the speed of the bird is $v_{3}$ and the initial distance of separation between them is d. Find the total distance covered by the bird till the cars meet

The correct option is A $\frac{{d v}_{3}}{v_{1} + v_{2}}$