A group of engineers has landed on the moon, and they wish to determine the mass of some rocks. They have a spring scale calibrated to read pounds mass at a location where the acceleration of gravity is 32.186 [ft/s2]. One of the moon rocks gives a reading of 18.76 on this scale. What is its mass? What is its weight on the moon? Take gmoon = 5.32 [ft/s2].

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