You and a group of friends are on a day trip to a nearby national park....
You and a group of friends are on a day trip to a nearby national park. After a fun-filled day of fishing and boating, you are ready to head back home when you find that your car battery is dead. Your friend offers to use his car's battery and jumper cables to charge yours. The connections are shown in the two diagrams below. The internal resistance of your car battery is rd = 2.65 ?, that of your friend's battery...
use UNITS for all final answers no collaboration, no talking to each other is allowed you can use your book and your calculator, but nothing else! (1) 10 points Three identical charges (q- -4.8 pC) lie along a circle of radius 2.0 m at angles of 30°, 150°, and 270°, as shown in the figure. (a) What is the resultant electric field at the center of the circle (magnitude and orientation)? (b) What is the electric potential at the center...