1. The problem statement, all variables and given/known data A block with mass m = 1.46 kg is attached to a spring with spring constant k = 52.0 N/m and negligible mass. The coefficient of kinetic friction between the block and the table is µk = 0.349. The block is displaced from its equilibrium position to the left by 0.203 m and released from rest. Calculate the block's displacement when it first comes to rest again. 2. Relevant equations Thermal energy=Ff * x Us= 0.5kx^2 3. The attempt at a solution Ff= MuN= (1.46 x 9.8)(0.349)=4.99 N Us(initial)= 0.5(52)(-0.203^2) Us(final)= 0.5(52)Xfinal initial thermal and spring energy=final thermal and spring energy (4.99)(-0.203)+26(0.203^2)=4.99x +26x^2 i tried to solve it, plugged it into a quadratic equation but am still getting the wrong answer. Any ideas on what im doing wrong? Thanks!