Si la masa de la tierra fuese de 1000 kg, comparativamente, ¿Qué masa tendrían los demás planetas y Plutón?

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Explanation:

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

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