Im so confused on this assignment so i just guesed random numbers but can you help me with one of these questions the data is in the pic i hope you can read my handwriting because it sucks. Aq2. According to your data from Part B, what is the effect of release height on speed?

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

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

What kind of simple machine is a catapult?