What is the change in entropy of the ammonia vaporized per second in the 10-mw power plant, assuming an ideal carnot efficiency of 6.5%? (a) +6 x 10⁶ j/k per second; (b) +5 x 10⁵ j/k per second; (c) +1 x 10⁵ j/k per second; (d) 0.

A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.