Which of the following is not a common property of waves?
a. wavelength
b. frequency
c. mass
d. period

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

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?

What type of force holds atoms together in a crystal?