3-46E. A bydraulic cylinder is to compress a car body down to bale size in 8 sec. The operation requires in 8-ft stroke and a 10,000 b force. If a 1000-psi pump has been selected, and assuming the cylinder is 100% efficient, find a. The required piston area h. e. The accemary pump flow rate The hydraulic horsepower delivered to the cylinder 4. The output horsepower delivered by the cylinder to the load e. Selve parts a, b, c, and d assuming a 100-lb friction force and a leakage of 13 gpm. What is the efficiency of the cylinder with the gives friction force and leakage? 3-52E. An automotive lift raises a 3500-lb car 7 ft above floor level. If the hydraulic cylinder contains an 8-in-diameter piston and 4-in-diameter rod, determine the a. Work necessary to lift the car b. Required pressa e. Power if the lift raises the car in 10s d. Descending speed of the lift for a 10-gpm flow rate 3-56 What is the potential energy of 1000 gal of water at an elevation of 100 ? 3.578. What is the kinetic energy of I gal of water traveling at 20 f