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Answer:
The mechanical energy isn't conserved.
Step-by-step explanation:
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Answer:
The mechanical energy is not conserved
Step-by-step explanation:
Recall that the law of conservation of energy states that in an isolated system (no external forces acting on it), the mechanical energy is conserved.
A skier skiing down a slope is not an isolated system in this case because the friction of the snow causes some of the mechanical energy to convert to thermal energy.