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January 28, 2015

January 28, 2015

Posted by **Katy** on Thursday, January 7, 2010 at 9:19pm.

What is the gravitational acceleration on the surface of this planet? (Answer in units of m/s squared)

- Physics -
**drwls**, Thursday, January 7, 2010 at 11:50pmUse the equation:

Period = 2 pi sqrt (L/g') = 1020/567 s

= 1.799 s

Solve for the acceleration of gravity on that planet, g'. It will be different from the g that exists on Earth.

L is the pendulum length

sqrt(L/g') = 1.799/(2 pi) = 0.2863 s

L/g' = 0.08197 s^2

g'/L = 12.2 s^-2

g' = 15.7 m/s^2

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