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Valued Member
On Hiatus
Posts: 3560
12 years ago
The total mechanical energy of a system
A) is equally divided between kinetic energy and potential energy.
B) is either all kinetic energy or all potential energy, at any one instant.
C) can never be negative.
D) is constant, only if conservative forces act.
E) is not uniquely determined for most naturally occurring systems.
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Valued Member
12 years ago
D
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