A box of mass 3.5kg is placed at rear on an incline that has friction. When the box reaches the bottom of the incline, it has speed 3m/s. Determine a-f

11.15) A box of mass 3.50 kg is placed at rest on an incline that has friction. When the box reaches the bottom of the incline, it has speed 3.0-. Determine 17.0 m 8.0 m 15.0 m Figure 11.6. Physical set-up for Exercise 11.15. a) The work done by the normal force acting on the box. The work done by the gravitational force acting on the box. (system is the box alone) The change in the potential energy of the box-earth-incline system. ) The change in the kinetic energy of the box-earth-incline system, The change in thermal energy of the box-earth-incline system. The size of the friction force acting on the box