[填空题]
A box is given a push so that it slidf ,*:otb-onoees across the floor. How y16zrz1p n mzhne( .9buu)f;qfar will it go, given that the coefficient of bu1zenf.z )(pryqn9;mu 1zh6kinetic friction is 0.20 and the push imparts an initial speed of 4.0 $\mathrm{~m} / \mathrm{s}$ ?
