Can somebody n explain i try to do it like 4 times don’t get it

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

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