Momentum and CollisionHard
Question
A rigid ring A and a rigid thin disk B both made of same material, when gently placed on water, just manage to float due to surface tension as shown in the figure. Both the ring and the disk have same radius. What can you conclude about their masses?


Options
A.Both have the same mass.
B.Mass of the ring is half of that of the disk.
C.Mass of the ring is double to that of the disk.
D.More information is needed to decide.
Solution

Ring have double surface than that of disk.
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