three equal 2microfarad charges are located at the angles of an equilateral triangle whose sides are 7cm each in vacuum . detrmine the absolute electric potential at the centre of the circle ( k = 9×10⁹)

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a. a piece of paper b. a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

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

How does an observation about an object differ from an inference about that object