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A rubber band has potential energy of 5 J. If the spring constant of the rubber band is 50 N/m, what is the displacement of the rubber band?
An object at position has all potential energy.
An object at position has about half potential energy and half kinetic energy.
An object at position has all kinetic energy.
A 100 kg roller coaster car is located at the top of a hill where the height is 20 m. What is the velocity when it reaches the bottom of the hill?
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Conservation of Energy
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