What's the process?

A 5-kg rock is dropped over the edge of a 15m cliff. What is the momentum of the rock as it strikes the ground?

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

Which atomic model was proposed as a result of j. j. thomson’s work?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt