One year, the population of a city was 189,000. Several years later it was 223,020. Find the percent increase.
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Considering the given equation for the time, it is found that the length of the pendulum in this problem is of 38.40 ft.
<h3>What is the equation for the time it takes for the pendulum to swing back and forth?</h3>The equation is given as follows:
In which l is the length of the pendulum.
In this problem, we have that , hence:
l = 32 x 1.2
l = 38.4 ft.
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