- #1

jayced

- 21

- 0

## Homework Statement

Christy has a grandfather clock with a pendulum that is 1.070 m long.

(a) If the pendulum is modeled as a simple pendulum, what would be the period?

Already solved

(b) Christy observes the actual period of the clock, and finds that it is 1.20% faster than that for a simple pendulum that is 1.070 m long. If Christy models the pendulum as two objects, a 1.070-m uniform thin rod and a point mass located 1.070 m from the axis of rotation, what percentage of the total mass of the pendulum is in the uniform thin rod?

Need help

## Homework Equations

(a) T=2pi sqrt(L/g)

(b) Couldn't find an appropriate equation in my textbook.

## The Attempt at a Solution

(a) T=2pi sqrt(1.070m/9.8m/s^2)=2.08 s

(b) I don't have a clue about the equation that correspond to this part of the problem,no similar examples or anything in my textbook. To start a equation would be great, because I have percentages and meters and they want me to calculate total mass of a pendulum. Any help is great thank you.