[Einstein Uae]

second group

first question

Velocity (Initial): ?
Velocity (Final): ?
Distance: -54.7m
Time: 4s
Acceleration: -9.8m/s^2

use this equation to find the initial velocity

d=.5*a*t^2 + V(i)*t

then use this equation to find the final velocity

Vf=a*t + Vi

that is it & good luck