Two masses of 0.25kg each moves towards each other with speed 3m/sec & 1m/sec collide and stick together. Find the final velocity

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Two masses of $0.25 k g$ each moves towards each other with speed $3 m / \sec & 1 m / \sec$ collide and stick together. Find the final velocity

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$2 m / \sec$

$0.5 m / \sec$

$0.25 m / \sec$

$1 m / \sec$

answer is C.

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Detailed Solution

$V_{C} = \frac{m_{1} u_{1} - m_{2} u_{2}}{m_{1} + m_{2}}$

On solving we get

$V_{C} = 1 m / s$

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