a small conducting spherical shell with inner radius r1 and outer radius r2 is concentric with a larger conducting spherical shell of inner radius r3 and outer radius r4. the inner shell has a total charge of +4Q. The outer shell has charge +2Q. what is the total charge on the inner surface of the inner shell at r1 and the inner surface of shell two at r3?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length

Heterogeneous mixture with larger particles that never settle is