Ap Eapcet
Center Of Mass
AP EAPCET 2025 - 21st May Evening Shift
MCQ+1 / -02025
A steel sphere of radius 1.2 cm collides a second steel sphere at rest. If the collision is elastic and after the collision the first sphere continues to move in its initial direction with a velocity of $\frac{7}{9}$ times its initial velocity, then the radius of the second sphere is