[填空题]
A box is given a push so that it slides acto w0ms)31 uia5bd+v m,z1tzwrossfzz6e o p*(m1bir 8dg; the floor. How far will it go, given that the coefficient of kinetic friction is 0.20 and the push imparts an initialb6o eizg (fp8mr*;d z1 speed of 4.0 $\mathrm{~m} / \mathrm{s}$ ?