@luna_vlab: Replying to @shir40ri Day 5 of thermodynamics: Finishing the piston-spring problem from last time 🔥 We find the pressure, calculate the volumes, and plot the process on a P-V diagram to see how boundary work looks visually. Perfect review if you’re learning thermo ⚙📈 #engineeringstudent #engineeringmajor #learnontiktok #studentlife #mechanicalengineering