Mass of Sun 1.98 x 10^30 kg Distance between centers of mass of Sun and Earth 1.5 x 10^11 m
Constant G 6.67 x 10^-11 kg*m/s^2*m^2/kg^2 Calculate period in days

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

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

Idon’t quite understand this problem