???????? yu wanna sae water presshuer push in the baloon ????
???? got kompressed aer inside ????
1 ft deep, water presshuer=29.890729092 mili bars
at 10 ft...=298.9072909
presshuer be linear so pres at 50 ft deep=5/2 av presshuer at 20 ft
a gas inside sumthun obae the "gas" las PVV=rt...presshuer*volume=konst if temper konstant
if nu presshuer=5/2 , nu volume=2/5 av old volume