Physics > 2003 > 9
WASSCE
The mass on a loaded spiral spring oscillates vertically between two extreme positions P and R equidistant from the equilibrium position Q. Which of the following statements about the system is not correct?
A.
The momentum of the mass is maximum at Q
B.
The elastic potential energy of the spring is maximum at Q
C.
The kinetic energy of the mass is maximum at P
D.
The total energy of the system is always constant
Answer: D
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