1
Given:
Vi = 14.5m/s
Vf = 5.5m/s
t = 3s
a ?
Formula: a = vf-vi/t
solution: a = 5.5-14.5/3
a = -9/3
a = -3
Answer: a = -3m/s²
2
Vf = 1.0m/s
Vi = 5.5m/s
solution: a = 1.0-5.5/3
a = -4.5/3
a = 1.5
answer: a = 1.5m/s²
