APFIVE Kinetic and Potential Energy in an Oscillator
A 0.2 kg block attached to a spring oscillates with an amplitude of 0.15 m and a period of 0.4 s. At what displacement, as a fraction of the amplitude, is the kinetic energy of the block three times the potential energy of the spring?
A
0.33
B
0.25
C
0.75
D
0.5
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