A baseball is thrown with a kinetic energy of 2.2 J. Since it is above the ground, it also has a potential energy of 1 J. What is the baseball's mechanical energy? Show all work. P. S please do not just answer for the points so many people do that...

altitude, density, pressure

air gets less dense the higher the altitude and also the air pressure is less as altitude rises.

14 days is the half-life of phosphorus-32

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.