Courtney spent $87 at a sporting good store. she spent $29 on a tennis racket and the rest on new shoes how much money did courtney spend on new shoes

Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent