A pendulum is swinging back and forth in periodic motion. At the highest point (the moment that the pendulum stops moving up), the mass at the end has a gravitational potential energy of 3.0 J. As it swings down, there is a point at which the gravitational potential energy is reduced to 1.0 J. What is true about the energy of the pendulum during this time?

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Chapter1: Units, Trigonometry. And Vectors
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A pendulum is swinging back and forth in periodic motion. At the highest point (the moment
that the pendulum stops moving up), the mass at the end has a gravitational potential energy
of 3.0 J. As it swings down, there is a point at which the gravitational potential energy is
reduced to 1.0 J. What is true about the energy of the pendulum during this time?
Your answer:
The kinetic energy will remain constant during this motion.
The gravitational energy and kinetic energy are both going to be 1.0 J at the same time.
The kinetic energy will be 2.0 J when the gravitational potential energy is 1.0 J.
The total energy of the pendulum will increase and decrease as it moves.
Transcribed Image Text:A pendulum is swinging back and forth in periodic motion. At the highest point (the moment that the pendulum stops moving up), the mass at the end has a gravitational potential energy of 3.0 J. As it swings down, there is a point at which the gravitational potential energy is reduced to 1.0 J. What is true about the energy of the pendulum during this time? Your answer: The kinetic energy will remain constant during this motion. The gravitational energy and kinetic energy are both going to be 1.0 J at the same time. The kinetic energy will be 2.0 J when the gravitational potential energy is 1.0 J. The total energy of the pendulum will increase and decrease as it moves.
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