Un grupo de estudiantes de grado octavo han formulado la siguiente pregunta de investigación:
¿Cuál es el efecto de cambiar la carga eléctrica de un
objeto en la medida de la fuerza eléctrica?
Cual es la variable independiente y dependiente

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?