On the Moon, acceleration resulting from gravity, g, is about 5.3 ft/s2. Which expression gives the time, in seconds, it would take a dropped penny to fall 100 ft on the Moon?

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Simplifying Nonperfect Roots

On the Moon, acceleration resulting from gravity, g, is about 5.3 ft/s2. Which expression gives the time, in seconds, it would take a dropped penny to fall 100 ft on the Moon?

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