Identical Balls Oscillate with the Same Period T on Earth

question 26

Multiple Choice

Identical balls oscillate with the same period T on Earth.Ball A is attached to an ideal spring and ball B swings back and forth to form a simple pendulum.These systems are now taken to the Moon,where g = 1.6 m/s²,and set into oscillation.Which of the following statements about these systems are true? (There could be more than one correct choice. )

• A)Both systems will have the same period on the Moon as on Earth.
• B)On the Moon,ball A will take longer to complete one cycle than ball B.
• C)On the Moon,ball B will take longer to complete one cycle than ball A.
• D)On the Moon,ball A will execute more vibrations each minute than ball B.
• E)On the Moon,ball B will execute more vibrations each minute than ball A.

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