Helen is standing in the hallway with her friend janet, next to helen's locker. each girl has a body mass of 48 kilograms (kg), and thus each exerts a force of 470.4 newtons (n) on the hall floor. what is the total force, in newtons (n), that the hall floor exerts on the pair of girls?

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