Which is an example of potential energy? Question 9 options: an electric current lighting a light bulb releasing the strings on a guitar a roller coaster speeding down a hill the pulled back string on an archer's bow

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.