Un chico se Columpia describiendo un arco de circunferencia. Si alcanza una altura máxima de 1,1m con respecto a la posición más baja. Halla la velocidad al pasar por el punto más próximo al suelo. No tengas en cuenta la contribución de la masa de las cadenas del columpio ni la resistencia del aire. AYUD :c

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

the given statement is true.

sensory memory lasts for a fraction of seconds before the information is lost. it is the shortest -term memory and can be called as an element of memory. example: when we look at something and remember what it looks like, is just a second of observation. it degrades very quickly. it can also be considered as the process of perception rather than considering it as a memory.