Ametallic rod with a diameter of 2.8 in and a modulus of 31.2 x 10^6 psi is elastically deformed to a tensile strain of 2.80 x 10^-3 in/in. calculate the force of deformation in kip (kilo pound)

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