Question

analyze the dimension: Vf=Vi+at where Vf is the final velocity, Vi is the initial volocity, a is acceleration and t is time.

Answer 1

http://openstudy.com/groups/physics#/groups/physics/updates/4df8a9530b8b370c28bdba54

Answer 2

vf and vi are velocities, whose dimensions are m/s.
Dimenion for acceleration is m/s2.
dimension for time is s.
therefore dimension for at is m/s.
Hence the dimensional analysis is complete