Ahydrogen atom has 1 electron. in which level is it?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

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?

The ability to make things happen is also called a. heat b. force c. matter d. energy