Which of the following does not use electromagnetic radiation? (check all that apply)
microwave ovens
radios
refrigeration unit
plasma

What is the maximum acceleration of the wing tips, in units of g?

The metric unit of electrical power is the watt volt ampere ohm

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?