A ball moving with velocity of \( 9 \mathrm{~m} / \mathrm{s} \) col...

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A ball moving with velocity of \( 9 \mathrm{~m} / \mathrm{s} \) collides with another similar stationary ball. After the collision
\( \mathrm{P} \) both the balls move in directions making an angle of \( 30^{\circ} \) with the initial direction. After the collision
W their speed will be-
(1) \( 2.6 \mathrm{~m} / \mathrm{s} \)
(2) \( 5 \cdot 2 \mathrm{~m} / \mathrm{s} \)
(3) \( 0.52 \mathrm{~m} / \mathrm{s} \)
(4) \( 52 \mathrm{~m} / \mathrm{s} \)
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