Brakes are applied to a car moving with disengaged engine, bringing it to a halt after 2s. Its velocity at the moment when the breaks are applied if the coefficient of friction between the road and the tyres is 0.4 is

Brakes are applied to a car moving with disengaged engine, bringing it

1.	Brakes are applied to a car moving with disengaged engine, bringing it to a halt after 2s. Its velocity at the moment when the breaks are applied if the coefficient of friction between the road and the tyres is 0.4 is
Answer» `3.92 MS^(-1)` `7.84 ms^(-1)` `11.2 ms^(-1)` `19.6 ms^(-1)` SOLUTION :`v=u+at, a = MUG`