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Questions and Answers
Which formula is used to calculate the energy associated with a moving object?
Which formula is used to calculate the energy associated with a moving object?
- $E_k = rac{1}{2}v^2$
- $E_k = m^2v$
- $E_k = rac{1}{2}mv^2$ (correct)
- $E_k = mv^2$
When a system changes, what happens to the way energy is stored?
When a system changes, what happens to the way energy is stored?
- The energy remains constant
- The energy is lost as heat
- The energy is destroyed
- The way energy is stored changes (correct)
What does the formula $E_e = rac{1}{2}ke^2$ calculate?
What does the formula $E_e = rac{1}{2}ke^2$ calculate?
- Potential energy
- Kinetic energy
- Gravitational potential energy
- Spring potential energy (correct)
In the equation $E_p = mgh$, what does 'h' represent?
In the equation $E_p = mgh$, what does 'h' represent?
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Which formula calculates the amount of energy involved when a system is changed?
Which formula calculates the amount of energy involved when a system is changed?
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