Your aunt is the head of the Fish and Wildlife Conservation Commission. She is interested in controlling the population of lionfish. Which of the following methods of catching them would likely be most effective

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?