2) An object tied to the end of a string moves in a circle. The force exerted by the string depends on the mass of the object, its speed, and the radius of the circle. What
combination of these variables expresses the relation?​

Centripetal force formula

Explanation:

F = mv²

r

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

need to see circuit to get time constant