Deposits of minerals and ore can alter the local value of
Chapter 15, Problem 15.20(choose chapter or problem)
Deposits of minerals and ore can alter the local value of the freefall acceleration because they tend to be denser than surrounding rocks. Geologists use a gravimeteran instrument that accurately measures the local free-fall accelerationto search for ore deposits. One of the simplest gravimeters is a pendulum. To achieve the highest accuracy, a stopwatch is used to time 100 oscillations of a pendulum of different lengths. At one location in the field, a geologist makes the following measurements: What is the local value of g?
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