(5) En un movimiento rectilíneo uniforme, ¿qué significa que la velocidad del móvil sea
negativa?
a) Que está detenido.
b) Que va retrocediendo.
c) Que tiene una rapidez menor que la inicial
d) Que se mueve en sentido contrario al sistema positivo de referencia.
e) Ninguna de ellas
In a rectilinear uniform motion, a negative velocity for the mobile means that:
d) It is moving in the opposite direction of the positive reference system.
This means that the mobile is moving in the negative direction of the chosen coordinate system. For example, if you have a coordinate system where the positive direction is to the right, a negative velocity would indicate movement to the left. It does not necessarily mean that the mobile is stopped or moving at a slower speed than initially, but rather that it is moving in the opposite direction based on the reference system chosen.
