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SAT® Subject Test in Physics

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Moderate

Double Length Pendulum

SATPHY-VYNHKX

The following position-time graphs represent the horizontal motion of five different pendulums. Which graph(s) show(s) a pendulum which is more than twice as long as the pendulum whose motion is represented by the graph pictured directly below?

A
B
C
D
E

All of the graphs pictured represent pendulums whose length is at least twice that of the first pendulum.