# Chapter 11 - Oscillations and Waves - Questions: 4

It will lose time.

#### Work Step by Step

Equation 11–11a tells us that the period of a pendulum clock is inversely proportional to the square root of g, $T=2 \pi \sqrt{\frac{L}{g}}$. At high altitude, the effective g is slightly smaller, so the period of the swing will increase, i.e., the clock runs slow and loses time.

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