Aswing that is 9.2m long has a child in it who is swinging. what is its period in seconds

The child on a swing can be modeled as a simple pendulum.  The period of a simple pendulum is given by

If you're looking for an even spread of clay, silt and sand, add a considerable amount of sand and some clay until the 3 even out". soil texture triangle. silty clay loam soil is approximately 20 percent or less sand, 25 to 40 percent clay, and 40 to 70 percent silt.