An airplane travels from st. louis, missouri to portland, oregon in 4.33 hours. if the distance traveled is 2,742kilometers, what is the airplanes average speed for this trip

What is the most useful equation for electric power?

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?