Velocity after two bodies moving at right angles collide and stick together

1. A.
   $\frac{V}{3}\hat{i}+2V\hat{j}$
2. B.
   $\frac{V}{2}\hat{i}+V\hat{j}$
3. C.
   $\frac{V}{3}\hat{i}-2V\hat{j}$
4. D.
   $\frac{V}{2}\hat{i}-V\hat{j}$

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1. A.
   $V$
2. B.
   $2V$
3. C.
   $\frac{V}{2}$
4. D.
   $\frac{V}{\sqrt{2}}$

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1. A.
   $V\hat{i} + 2V\hat{j}$
2. B.
   $\dfrac{V}{3}\hat{i} + 2V\hat{j}$
3. C.
   $V\hat{i} + 3V\hat{j}$
4. D.
   $2V\hat{i} + 4V\hat{j}$

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