Making the world better, one answer at a time. The mass has no effect on the period of the pendulum. The period depends on the maximum speed at the lowest point and the maximum speed only depends on the height at the highest point.
These, as with most other Aztec sculpture, would have once been painted using a wide range of bright colours. Smaller scale sculpture has been found at sites across Central Mexico. These often take the form of local deities and especially gods related to agriculture. The most common are upright female figures of a maize deity, typically with an impressive headdress, and the maize god Xipe Totec.
One famous example of Aztec sculpture is the Ocelotl-Cuauhxicalli, a vessel formed to represent a jaguar and used to hold the hearts of the victims of sacrifice. The jaguar symbolized Earth and the underworld. A sculpted stone representation of Coatlicue, the goddess of Earth, is considered an Aztec masterpiece.