(a(i))[2]
Calculate the time needed to reach a speed of $28\,\text{m s}^{-1}$.
(a(ii))[2]
Calculate the force needed to create this acceleration.
(a(iii))[2]
Calculate the car's kinetic energy when its speed is $28\,\text{m s}^{-1}$.
(b)[3]
Calculate the charge delivered by the charger.
(c)[1]
Suggest why the car may need recharging after it has travelled less than $390\,\text{km}$ in everyday use.