6. mr. leppold jumps out of a plane with a the chute opens,
does he have potential or kinetic energy, or both? explain, and how does the
potential & kinetic energy change as he falls?

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

What is the coefficient of kinetic friction μk between the block and the tabletop?

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change