If a 0.9 kg object hanging from a spring stretches it by 0.60 m, then by how much will the spring be stretched (in m) if a 1.8 kg object is suspended from it?

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer