When you swing a bat and hit a baseball, the ball flies into the outfield. What happens to the energy you used to swing the bat?
A: it remains in the bat
B: it disappears
C: it is converted into potential energy
D: it is transferred to the baseball

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)