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A truck equipped with a power winch on its front end pulls itself up a steep incline with the cable and pulley arrangement shown. If the cable is wound up on the drum at the constant rate of 40 mm/s, how long does it take for the truck to move 4 m up the incline?
Water flows through the interior of a jet ski at 40ft^3/s. The water enters the boat at 75ft/s at an angle of 30 degrees to the water surface. The exit velocity id 85ft/s in the horizontal direction. The boat is in seawater at 60 degrees F.
Oil flows through the Trans-Alaska pipeline. Because oil is viscous, you might think that the flow is laminar. (a) What is the minimum flowrate (m3/s) for which the flow would likely be laminar.
he oxygen is compressed from 95 kPa, 20 C to 300 kPa, isothermally. Determine the heat transfer assuming (a) the process is reversible, (b) the process is irreversible such that 20% more work is required than the reversible case.
Suppose 33mL of 1.20 M HCl is added to 42ML of a solution containing excess sodium hydroxide in a coffee-cup calorimeter. The solution temperature, originally at 25.0 degrees C, rises to 31.8 degrees C.
An agronomist wants to measure the rainfall at the centroid of a plowed field between two roads. What are the coordinates of the point where the rain gauge should be placed?
Determine the gravitational force acting between two spheres that are touching each other. The mass of each sphere is 400 kg and the radius is 300mm.
Assuming that the minimum detention time ( with one train out of service) is 30 s, what is the size of these basins assuming equal size and cubic wetted dimension
Determine the required size of new Schedule 40 steel pipe to carry 0.5 cfs (Q = 0.5 cfs) of water at 160o F with a maximum pressure drop of 10 psi per 1,000 ft.
In a certain chemical plant, a closed tank contains ethyl alcohol to a depth of 50 ft. Air at a pressure of 25 psi fills the gap at the top of the tank. Determine the pressure at a closed valve attached to the tank 10 ft above its bottom.
A w14X74 of A992 Steel has a length of 20 feet and fixed ends. Compute the design compressive strength for LRFD and the allowable compressive strength for ASD.
A sample of dry sand with a specific gravity total of 16.49 kN/m3 and a relative density of 2.67 grains, is placed outdoors. During a rainy period, the sample volume remains constant but the degree of saturation increases to 40%.
Determine the forces and stress in each member by using method of joints?
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