The angular momentum of a system remains constant 23) A) when no net external force acts on the system. B) when the linear momentum and the energy are constant. C) when the total kinetic energy is constant. D) when no torque acts on the system. E) all the time since it is a conserved quantity

answer: option c.

explanation:

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

c) up

hope this