(WILL MARK BRAINLIAST)( 1 answer question.. look the photo) As the cars come closer together, the amount of potential energy in the system:

-Increases
-Decreases
-Stays the same

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

i already answered it by 34/s

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr