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## Homework Statement

An experiment is conducted on a "strange" planet to determine the acceleration due to the force of gravity there. A 2 meter length pendulum is suspended and put into horizontal circular path. Data collected: the pendulum makes 10 revolutions in 25 seconds while sweeping out a circle of radius R=.209 meters.

Find "g" for this planet.

## Homework Equations

F = MA

Centripetal acceleration = V^2/R

## The Attempt at a Solution

V = 10(2πR)/25 = .53m/s

R = .209

X eq: TCos60 = m(V^2)/R

Y eq: TSin60 = mg (no acceleration in the y direction)

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