Suzie riding her bike is able to get her bike to 20m/s in just 5 seconds. What is her acceleration?

4

Explanation:

because 20/5  is 4, which means that suzie's acceleration is 4. Hope I helped

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

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.