A car traveling at 40 km h-1 speed upto 50 km h-1 in 4 seconds. Calculate the acceleration of the car

Answer 1

v₀ = 40 km/h = 100/9 m/s; v = 50 km/h = 125/9 m/s.

a = (v - v₀)/t = (25/9 m/s)/(4s) = 25/36 m/s² = 0.694 m/s².