Create two models to compare the amounts of potential and kinetic energy in the Tuesday and Wednesday spacecraft launches. Use a magnet to represent the spacecraft in each launch. Use the
symbols shown in the Key in your models.
please help me

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

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

What is the difference between mass density and weight density?