Las placas descritas en el problema 25.27 se encuentran en el vacío se suelta en la placa negativa y cae libremente en la placa positiva

Ten students stand in a circle and are told to make a transverse wave. what best describes the motion of the students? each student bumps the shoulder of his or her neighbor. at the exact time, all students take a step to the right. the students skip clockwise, going in a circular motion. one at a time, each student lifts his or her hands up and then down.

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

What are similarities and differences between refraction, reflection, diffraction and absorption?