Ajetliner is traveling east from seattle to chicago, a distance of 1,750 miles. the jetliner travels at an average air speed of 620 mph relative to the air. at the jetliner's altitude, the wind is blowing 46 mph to the east. how long does the journey take?

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present