If you need to drive from dallas, texas, to salt lake city, utah, (about 1500 miles), and the speed limit is 60 miles per hour most of the way, what is the least amount of time you will need? a. 4 hours b. 25 hours c. 2.5 hours d. 90,000 hours

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.