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**1. Homework Statement**

A pendulum clock which keeps correct time at a point where g=9.8 m/s^2 is found to lose 10 seconds per day at a higher altitude where the gravitational field now has a new value g(n). What is the numerical value of this g(n)?

**2. Homework Equations**

This is from the force diagrams I've drawn.

Tcos(theta)-mg=ma(x)

Tsin(theta)=ma(y)

I'm lost. Please help!