APFIVE Energy in Simple Harmonic Motion
A mass on a spring oscillates with amplitude A and angular frequency $$\omega$$. Starting from maximum displacement, at what fraction of the period $$T$$ will the system have 75% of its energy as kinetic energy?
A
T/6 and 5T/6
B
T/4
C
T/12 and 5T/12
D
T/8 and 3T/8
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