Homework Help: phyiscs!

Posted by amanda on Wednesday, November 16, 2011 at 11:50pm.

Having landed on a newly discovered planet, an astronaut sets up a simple pendulum of
length 1.51 m and finds that it makes 291 complete oscillations in 697 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/s2

thanks!!!!

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