An Astronaut Has Landed on Another Planet and Conducts an Experiment

An astronaut has landed on another planet and conducts an experiment to determine the acceleration of gravity on that planet. She uses a pendulum 0.640 m long and determines that the period of oscillation is 2.60 s. What is the acceleration of gravity on that planet?

A) 4.85 m/s²
B) 1.66 m/s²
C) 3.74 m/s²
D) 2.39 m/s²
E) 9.81 m/s²

Correct Answer:

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