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Question
As mass decreases, kinetic energy increases.
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GPT-5 mini
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False.
Kinetic energy depends on both mass and speed: KE = 1/2 m v^2. If velocity is held constant, reducing mass decreases KE. However, if momentum p = m v is held constant, KE = p^2/(2m) so reducing mass increases KE. Without specifying what is held constant the statement is not generally true.
Kinetic energy depends on both mass and speed: KE = 1/2 m v^2. If velocity is held constant, reducing mass decreases KE. However, if momentum p = m v is held constant, KE = p^2/(2m) so reducing mass increases KE. Without specifying what is held constant the statement is not generally true.
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