Comenzamos el estudio de un movimiento cuando la rapidez es de 20 m/s, y sabemos que durante 5 sec la aceleración es de 3 m/s2. ¿Cuánto valdrá la rapidez tras ese tiempo, expresada en km/h? AYUDE

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)