A ball moving with a speed of 9 m/s strikes an identical stationary ball obliquely. if the collision is elastic and the colliding ball makes an angle of 30° with the original line, then the angle made by the second ball with original line is
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When oblique collisions are elastic the colliding masses move at right angles to each other.
Therefore, the angle made by second ball with original line is 60°
Therefore, the angle made by second ball with original line is 60°
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