A4.55 nf parallel-plate capacitor contains 27.5 μj of stored energy. by how many volts would you have to increase this potential difference in order for the capacitor to store 55.0 μj of potential energy?
express your answer in volts as an integer.

Akg a of 55 m at an of 11 ? . if is at 98 km/h, be ?

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field