Question

How much energy is required to accelerate a 8000 kg car from 14 km/h to 95 km/h?

Answer 1

subtract the initial kinetic energy from the final

Vfinal = 95000 m/3600 s

Vinitial = 14000 m/3600 s

(1/2)(8000)(Vfinal^2 - Vinitial^2)