A box is given a quick push so that it slides along a horizontal floor.

a) What is its acceleration if the coefficient of kinetic friction is 0.30?

b) How far will it travel if its initial speed was 3.0m/s?

Is it possible to find the acceleration when only one piece of information is given?

1 answer

The force slowing down the box is friction

mu*mg= m*a
a= mu*g

When is work done by friction = initialKE?

mu*mg*distance= 1/2 m v^2

distance= 1/2 v^2/mu*g