Light year is a unit of which of the following physical sign?

(A) Short time interval

(B) mass

(C) Work

(D) distance

An object moves with constant acceleration4.00m/s²and over a time interval reaches a finalvelocity of 12.0m/s (a) Ifits initial velocity is 6.00m/s, what isits displacement duringthe time interval? (b) What is the distanceit travels during thistime interval? (c) If its initial velocity is-6.00m/s, what is itsdisplacement during the time interval? (d)What is the totaldistance it travels during the interval in part(c)