6. A wooden box of mass 50 ka slides on a concrete floor. What is the coefficient of friction If the frictional force acting between the box and the surface is 240 A. 0.212 It. 0.612 6 01.325 7. What Is the acceleration of the system if a person pushes an Ilke box with a force of 515N If the coefficient of kinetic friction Is 0.557 A. 51.1 1 m/s H. 34.25 m/s' ( 41.42 m/s' 1. 45.54 m/s* 100 kg 4 fort 8 312. Which breast the result of three law mul 12 N. being a In an phiecit A The will be at rest Moreset The ith cuthtent velocity L nato in the direction of the D whoinet will accelerate n In th the act birce