The electron and proton in a hydrogen atom are 52.9 pm apart. Part A What is the magnitude of the electric force between them

Which of the following is a homogenous mixture? o a. a toy box filled with toys o b. blood o c. trail mix o d. spaghetti and meatballs submit

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

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?