A pump supplies oil at 20 gpm to a 2 in, diameter double-acting hydraulic cylinder. If the load is 1000lbs(extending and retracting) and the rod diameter is 1in., find: a. The hydraulic pressure during the extended stroke. b. The piston velocity during the extended stroke. c. the cylinder horsepower during the extended stroke. d. the hydraulic pressure during the retraction stroke. f. the cylinderhorsepower during the retraction stroke.