A basketball is inflated to 9.0 psi (pounds per square inch) above atmosphericpressure of 14.7 psi (a total pressure of 23.7 psi). The diameter of the basketball is10 inches.
a. What is the pressure of the air in the basketball, expressed in atmospheres?
b. What is the volume (in liters) of the basketball? The volume of a sphere = 4/3πr3
(a) 23.7/14.7 = ____ atm
(b) you have the formula -- what's the trouble?