2. A type of firework consists of a cardboard tank mounted on plastic wheels and driven forward by a small rocket. Once the rocket ignites, the tank rolls from rest to
a maximum velocity of 0.85 m/s forward, at which point the rocket burns out. If the
total time that the rocket remains ignited is 3.7 s, what is the average acceleration
of the tank2

0.23 m/s².

Explanation:

v=u+ at.

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 following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.