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a rectangular cartop carrier of 16-ft height 50-ft length front to back and 42-ft width is attached to the top of a car
1 a three-bladed helicopter blade rotates at 200 rpm if each blade is 12 ft long and 15 ft wide estimate the torque
a thin smooth sign is attached to the side of a truck as is indicated in fig p953 estimate the friction drag on the
during a flash flood water rushes over a road as shown in fig p966 with a speed of 12 mph estimate the maximum water
the structure shown in fig p970 consists of three cylindrical support posts to which an elliptical flat plate sign is
a 030-m-diameter cork ball sg 021 is tied to an object on the bottom of a river as is shown in fig p978 estimate the
a 60 mph wind blows against a football stadium scoreboard that is 36 ft tall 80 ft wide and 8 ft thick parallel to the
1 a rectangular wing with an aspect ratio of 6 is to generate 1000 lb of lift when it flies at a speed of 200 fts
a 2-in-diameter sphere weighing 014 lb is suspended by the jet of air shown in fig p984 and video v32 the drag
air flows past two equal sized spheres one rough one smooth that are attached to the arm of a balance as is indicated
a 2-mm-diameter meteor of specific gravity 29 has a speed of 6 kms at an altitude of 50000 m where the air density is
when air flows past the airfoil shown in fig p9110 the velocity just outside the boundary layer u is as indicated
see fluids in the news article learning from nature section 941 as indicated in fig p9122 birds can significantly alter
the wings of old airplanes are often strengthened by the use of wires that provided cross-bracing as shown in fig p9106
water flows in a horizontal rectangular channel at a depth of 05 ft and a velocity of 8 fts determine the two possible
1 a viscous oil flows down a wide plate with a uniform depth of 8 mm and an average velocity of 50 mms the plate is on
water flows in a channel as shown in fig p1048 the velocity is 40 fts when the channel is half full with depth d
1 water flows in a rectangular brick-lined aqueduct of width 12 m at a rate of 73000 m3day determine the water depth if
1 overnight a thin layer of ice forms on the surface of a river estimate the percent reduction in flowrate caused by
see fluids in the news article titled done without gps or lasers section 1043 determine the number of gallons of water
at a given location under normal conditions a river flows with a manning coefficient of 0030 and a cross section as
water flows in a 2-m-diameter finished concrete pipe so that it is completely full and the pressure is constant all
a 10-ft-wide rectangular channel is built to bypass a dam so that fish can swim upstream during their migration during
an engineer is to design a channel lined with planed wood to carry water at a flowrate of 2 m3 s on a slope of 10 m 800
a circular finished concrete culvert is to carry a discharge of 50 ft3s on a slope of 00010 it is to flow not more than