S=ut+1/2at^2 make "t" the subject of the formula​

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?

An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initial velocity of the ball is 3030 ft per sec. the height s of the ball in feet is given by the equation s equals negative 2.7 t squared plus 30 t plus 6.5s=−2.7t2+30t+6.5, where t is the number of seconds after the ball was thrown. complete parts a and b.