1. Un automóvil recorre una distancia de 5000 m en dirección norte en 270 s. Determina su rapidez. 2. Una pelota es lanzada por un lanzador en juego de baseball con una rapidez de 40.68 m/s (91 mi/h). ¿Cuánto tiempo le tomará a la bola en llegar al home que se encuentra a 18.5 m? ¿Cuál es la rapidez de la bola en km/h?

What will a positive and a negative charge do if they are separated from each other?

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.