5) On a 120 km track, a train travels the first 30 Km at a uniform speed of 30 Km/h How fast must the train travel the next 90 Km so as to average 60 Km/h for the
entire trip

The magnets are probably damaged or there not strong enough to attached to the refrigerator

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.