the long trip made me tired. I was

Một vật rơi tự do không vận tốc đầu từ độ cao 5m so với mặt đất.Cho biết: g = 10m/s2. a/Tính vận tốc của vật lúc chạm đất. b/Ở độ cao nào vật có động năng bằng 2 lần thế năng?

(Music)_____ films were the first(speak)____films which replaced the old silent films in the history of cinema.Lam is a worker. The job is reall(exhaust)____and sometimes he is(exhaust)__after a hard day.Few people can(existence)____without water for more than a week.The 1990s were a period of (rapidly)___change.Unfortunately, I lost(interesting)___half way through the film.Tourism has(replacement)__agriculture as the nation's main industry.You rescued me from an(embarrass)___situation.Do you believe in the__of ghosts(exist).The work is progressing___(rapid).The sudden___ of a policeman caused the thief to run away(appear).You must place these events in their_____context (history)This is the most___ race that i've ever taken part in (thrill)I like____detective stories very much (read)I was___ of you to share your food with me (generosity)It's a _______ for this country that such an a great musician died so young (tragic)Reseasrches in this field have made some important new___(discover)He's a romantic at heart, a born_____(adventure).Mọi người giúp mình với