1. The problem statement, all variables and given/known data A physics student slides a 2.0kg textbook along the laboratory bench to her friend. She imparts to the book an initial velocity of 2.70m/s. μ=0.20. How far away is her friend if the book comes to a stop right in front of her friend Vi= 2.70m/s μ=0.20 m=2.0kg Vf= 0m/s d=? 2. Relevant equations3. The attempt at a solution We were taught to figure out everything we could possibly figure out, relevant or not. FN=Ff (no vertical movement) Ff=μFN Ff=(0.20)((2.0kg*9.81m/s2)) Ff=20N Fnet(Fa-Ff)=ma then use Vf2=Vi2+2ad and solve for d? I just don't know how to find Fa or acceleration with the given variables. Is Fnet equal to Ff in the direction opposite of acceleration/Fa? Does that help? We haven't done anything with μ and mass combined with velocity to find distance.