To find the time ( t ) it takes for an object to fall 64 feet using the equation ( d = 20.25t ), we can rearrange the equation to solve for ( t ): ( t = \frac{d}{20.25} ). Substituting ( d = 64 ) feet gives ( t = \frac{64}{20.25} \approx 3.16 ) seconds. Therefore, it takes approximately 3.16 seconds for the object to fall 64 feet.
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