1 kg
4/3kg
8/3kg
2 kg
1-2 m
1.5-2.5 m
2-3 m
2.5-3.5 m
2-4 m
3-5 m
5-7.5 m
7-9 m
one half
one third
one-fifth
two-fifth
carnot cycle
joule cycle
Stirling cycle
brayton cycle