What is the banana equivalent dose of standing around in the United States for a year due to cosmic rays which penetrate our atmosphere

Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.

Which of the following is the best name for mgcl2

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false