A bus that is traveling at 35.0 km/h, speeds up at a constant rate of 3.4 m/s2. What velocity does it reach 6.8 s later?

Answer 1

Vo = 35,000m/h * (1/3600)h/s = 9.72m/s.

Vf = Vo + at,
Vf = 9.72 + 3.4*6.8 = 32.84m/s.