A ball is kicked from the ground into the air After 2 seconds, it is observed to have a velocity of 35i + 20j m/s. The ball's speed at the highest point is
A) 0 m/s
B) 30 m/s
C) 35 m/s
D) 40 m/s
E) 45 m/s

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.

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