The car wheel is at rest. How long does it take for it to reach an angular acceleration of 20 rad / s ^ 2 acting at a force of 25 Nm and if the wheel reaches 450 revolutions per second.

found in the nucleus

has mass of one amu

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

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

attach the statements so i can answer : )