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MMLU / A ball of mass is attached to a string connected to the ceiling, forming a…

Problem

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question

A ball of mass is attached to a string connected to the ceiling, forming a pendulum. When the string is raised to an angle of 50 degrees below the horizontal (the ceiling) and released, the ball swings back and forth with a period of 0.4 s. Which of the following changes to the pendulum would decrease the period of the pendulum?

choices

  1. Increasing the mass of the ball
  2. Decreasing the length of the string
  3. Decreasing the angle of the string from the horizontal when released
  4. Decreasing the mass of the ball

subject

high_school_physics

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