Draw a valid field line diagram from a system of two charged particles (-6 uc and +2 hc) inside a thick, spherical metal shell that itself carries -8 uc 2. find the electric flux passing through the 45° surface of an upright circular cone with a base diameter of 4 m if the electric field going through it is a uniform 20 n/c directed straight upward.

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?