Calculate the work required to be done to stop a car of `1500 kg` moving with a speed of `60 km//h`.

Explanation

`v = 60 km//h = 60 xx (5//18) m//s = 16.7 m//s`
Work done = change in `KE = (1)/(2) mv^2 = (1)/(2)(1500 kg) (16.7 m//s)^2`
=`209168 J`.