Une pierre chute du toit d in immeuble de 5 etage(h=10 metres de haut) et met 2 secondes pour atteindre le sol. V=h t=10/2=5m/s est une vitesse

there are no components of a physical goal mentioned on the list of choices that you've provided.

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.