An automotive LIFOtraisese a 3500lb car 7ft above floor level if the hydraulic cylinder contain 8in diameter piston and a 4in diameter rod,determine the A. work necessary to lift the carB. required pressureC. power if the lift raises the car 10 sD. Descending speed of the lift for a 10-gpm flow rateE. flow rate for the auto too descend in 10 s
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Where Anna Nicole Smith is going to be buried. Bury the poor woman next to her son. Later try to get both of them moved to Texas. It's terrible that her body has had to be kept in a morgue for more than 2 weeks. You can't even say Anna is rolling over in her grave right now, the poor girl can't even get to the grave.
Tired of Rosie O'Donnell, no matter what she's doing. Also getting tired of anything having to do with the late Anna Nicole Smith.
There are flapping wing form plane, they are called Ornithopters. I Dont understand if any complete scale ones have been sucsessfully flown yet there are a number of type length ornithopters obtainable. undecided they use hydraulics for the flapping action the two.
All these answers based on 8 inch lifting cylinder. You haven't specified anything about the 4 inch rod so haven't used that in these answers a). work force x distance work 3500 lb x 7 ft 24,500 ft-lbs of work --------------------------------------. b) 8 inch diameter piston area of pi * r^2 50.26 sq inches 3500 lb / 50.26 in^2 69.6 psi pressure --------------------------------------. c) power work / time 24,500 ft-lbs / 10s 2450 ft-lb/ second (one foot-lb /second 0.738 watt so -- 2450 * .738 1,808 watts of power in SI system) --------------------------------------. d) volume of a cylinder pi * radius squared * height one gallon 231 cubic inches 10 gallons 2,310 cubic inches V 2,310 cubic inches 3.14 * 4in ^2 * height height 2310 / (pi * 16) 45.96 inches So 10 gallons a minute will lift car or descend car 45.96 inches or 3.8 feet a minute --------------------------------------. e) Flow rate to descend in 10 seconds instead of a minute is 6 times faster (60 sec a minute / 10 sec) 6. 6 * 10gpm 60 gpm .
