The spaceship Intergalactica lands on the surface of the uninhabited Pink Planet

Question

The spaceship Intergalactica lands on the surface of the uninhabited Pink Planet, which orbits a rather average star in the distant Garbanzo Galaxy. A scouting party sets out to explore. The party's leader–a physicist, naturally–immediately makes a determination of the acceleration due to gravity on the Pink Planet's surface by means of a simple pendulum of length 1.14 m. She sets the pendulum swinging, and her collaborators carefully count 101 complete cycles of oscillation during 205 s. What is the result?

Explanation / Answer

simple pendulum of length 1.14 m

101 complete cycles

oscillation during 205 s

g = 4²L/T²

g = 4²*1.14/[205/101]²

g = 10.92 m/s²

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