The stage specific work is

Question

 In a 50% reaction stage, absolute velocity angle at inlet is 45⁰, mean peripheral speed is 75 m/s and the absolute velocity at the exit is axial. The stage specific work is      

(a) 2500 m²/s²              (b)3270 m²/s²

(c) 4375 m²/s²              (d)5625 m²/s²