the drawing shows two identical airplanes at an airshow the airplanes are flying at the same speed are PWS playing 50 millimeter is higher than aiplane X

If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

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.