Explain why it is dangerous to touch the live wire when a switch in the
mains circuit is open.

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 are two different ways you could find the value of a? explain these methods.

At what time will the interfering waves have an amplitudeof zero?