Dos ciclistas, A y B, viajan a velocidad constante sobre una carretera rectilinea en una misma direccion. Si se sabe
que A viaja a 10 km. h y B lo hace a 15 km/h y ademas
que A parte 3 horas antes que B, ¿a que distancia alcanza B a A?

the assestment will probley apele with cause and effect

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.