Physics, 30.07.2019 21:20 Sruyle51230

Having landed on a newly discovered planet, an astronaut sets up a simple pendulum of length 0.825 m and finds that it makes 397 complete oscillations in 546 s. the amplitude of the oscillations is very small compared to the pendulum’s length. what is the gravitational acceleration on the surface of this planet? answer in units of m/s 2

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