A pendulum makes 10 swings every 15 seconds on Earth. You take the same pendulum to the surface of a different planet and you notice that the pendulum makes 15 swings in 15 seconds. Which of the following could be true? (Select two right answers) 1. The mass of the planet is larger than Earth 2. The mass of the planet is smaller than Earth 3. The radius of the planet is larger than Earth 4. The radius of the planet is smaller than Earth

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