Desde la azotea de un edificio de 27m de altura, se lanza verticalmente y haci arriba una piedra con una velocidad de 30m/s. Calcular: a) velocidad a los 2s, b) altura a los 2 segundos, c) velocidad a los 5s, d) altura los 5s, e) en cuánto tiempo llega al suelo.​

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer