Mayan kings and many school sports teams are named for the puma, cougar, or mountain lion felis concolor, the best jumper among animals. it can jump to a height of 13.7 ft when leaving the ground at an angle of 42.7°. with what speed, in si units, does it leave the ground to make this leap? m/s

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

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