In an investigation of potential and kinetic energy, a student stands at the top of a hill and pushes a ball down the hill as shown.
How does the potential and kinetic energy of the ball change as the ball rolls down the hill?
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Responses
The potential and kinetic energy of the ball both decrease.
The potential and kinetic energy of the ball both decrease.
The potential energy of the ball decreases, and the kinetic energy of the ball increases.
The potential energy of the ball decreases, and the kinetic energy of the ball increases.
The potential energy of the ball increases, and the kinetic energy of the ball decreases.
The potential energy of the ball increases, and the kinetic energy of the ball decreases.
The potential and kinetic energy of the ball both increase.
The potential and kinetic energy of the ball both increase.
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1 answer
The correct response is:
The potential energy of the ball decreases, and the kinetic energy of the ball increases.
As the ball rolls down the hill, it loses height, which means its potential energy decreases. At the same time, as it gains speed while rolling down, its kinetic energy increases.
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