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Energy Transformations and Conservation
Worksheet
Grade Level
Physical Science with Earth and Science
9.54 Energy Transformations and Conservation
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Use the pendulum energy bar chart after several swings. Which statement best describes the system's energy?
A
Thermal and sound energy should not be included in a conservation model.
B
The pendulum gained gravitational potential energy because it swings lower.
C
The pendulum has less mechanical energy, but the system still totals 70 J when thermal and sound energy are included.
D
The pendulum destroyed 25 J during the swings.
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