A 2000kg car traveling at a speed of 27m/s skids to a halt on wet concrete where μk = 0.20.

Answer 1

M*g = 2000kg * 9.8N./kg = 19,600 N. = Wt
of car. = Normal Force(Fn).

a = u*g = 0.2 * (-9.8) = -1.96 m/s^2.

d = -Vo^2/2a = -(27^2)/-3.92 = 186 m. =
Stopping distance.