What is a compound and a element

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

In science and physics what is the standard unit of measure for speed?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system