1.

A particle is moving freely, then its . . . . .

A. kinetic energy is always greater than zero
B. Potential energy is greater than zero and kinetic energy is less than zero
C. Potential energy is less than zero and kinetic energy is greater than zero
D. potential energy is zero and kinetic energy is less than zero
Answer» B. Potential energy is greater than zero and kinetic energy is less than zero


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