A 120 voltage source is connected in series to a 2.5 ohm resistor and in parallel to a 13 ohm and a 135 ohm resistor (Combination circuit). Draw the circuit diagram with all of the values labeled. Show the direction of the current in each branch on your diagram.

An uncharged nonconductive hollow sphere of radius 18.0 cm surrounds a 12.0 µc charge located at the origin of a cartesian coordinate system. a drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. calculate the electric flux through the hole.

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Which notation is used to represent an alpha particle? a. b. c. d.