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 m 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 1.39 m. She sets the pendulum swinging, and her collaborators carefully count 1.00 times 102 complete cycles of oscillation during 217 s. What is the result?

Explanation / Answer

T = 2(L/g)

frequency = 100/17

T = 1/f

= 17/100 sec

put L = 1.39m

and solving g = 1898.78 m/s2

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