A hollow sphere is filled with water. It is hung by a long thread. As the water flows out of a hole at the bottom, the period of oscillation will
A. first increase and then decrease
B. first decrease and then increase
C. increase continuously
D. decrease continuously
Answer:A
A hollow sphere is filled with water. It is hung by a long thread. As the water flows out of a hole at the bottom, the period of oscillation will
A. first increase and then decrease B. first decrease and then increase C. increase continuously D. decrease continuously