Having landed on a newly discovered planet, an astronaut sets up a simple pendulum of length 1.79 m and finds that it makes 543 complete oscillations…

Having landed on a newly discovered planet,an astronaut sets up a simple pendulum oflength 1.79 m and finds that it makes 543complete oscillations in 1480 s. The ampli-tude of the oscillations is very small comparedto the pendulum’s length.What is the gravitational acceleration onthe surface of this planet?Answer in units of m/s2

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