¿Con que fuerza se atraen o se repelen un electrón y un protón situados a 10-7 m de distancia? ¿Qué indica el signo de la fuerza que has obtenido? (datos: qe = -1.6·10-19 C; qp = 1.6·10 -19 C; K = 9 · 109 N·m2/c2)
Fuerza eléctrica de 2 cargas en el espacio

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

Carbon 14 is a naturally occurring stable

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.