A bolck of mass 5 kg lies on rough horizontal surface .Whena horizontal force of 24.5 N is applied to the block , at just starts sliding while 19.6N is enough to keep it sliding at uniform velocity find i) coefficient of static friction
ii)coefficient of kinetic energy
Find also the acceleration of the block when at rest is acted by a force of 24 N and a negligible impulse is imparted.​

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

b. a lightning bug, plug of grass, and a worm