Three resistors are connected in series. If placed in a circuit with a 12 volt power supply. Determine the equivalent resistance, the total current, and the voltage drop across and current at each resistor.

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight