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1. Numerous small flotation devices are attached to the cable, and the difference between buoyancy and weight results in a net upward force of 30 newtons per meter of cable length. Determine the force T which must be applied to cause the cable configuration shown.
2. A series of spherical floats are equally spaced and securely fastened to a flexible cable of length 20 m. Ends A and B are anchored 16 m apart to the bot- tom of a fresh-water lake at a depth of 8 m. The floats and cable have a combined weight of 100 N per meter of cable length, and the buoyancy of the water produces an upward force of 560 N per meter of cable length. Calculate the depth h below the surface to the top of the line of floats. Also find the angle e made by the line of floats with the horizontal at A.
water flowing in a line at 60 lbfin2 saturated vapor is taken out through a valve at 14.7 lbfin2. what is the
1. what does the area-velocity relationship tell us about flow in a supersonic wind tunnel?2. what is the throat and
Air contained in a rigid, insulated tank fitted with a paddle wheel, initially at 4 bar, 40oC and volume of 0.2 m^3, is stirred until its temperature is 500 K. Assuming the ideal gas model for the air, determine the amount of entropy produced, in kJ/..
consider an acrylic sheet of thickness l 5 mm that is used to coat a hot isothermal metal substrate at th 300 degrees
a stream of humid air containing 1.00 mole water vapor and the balance dry air is to be humidified to a water content
the accleration of a particle is given by a-ks2 where a is in meters per second squared k is a constant and s is in
Derive Laplace transform by integration from basic integral definition. Do not use laplace transform tables or associated theorems. Refer to standard integral tables.
During a test of a metal bar, it was found that a axial tensile force of 10,000 lbs resulted in an elongation of 0.023 in. The bar had these original dimensions, length 10 in. diameter 0.750 in. Compute the modulus of elasticity of the metal. What ki..
A cylindrical specimen of a metal alloy 48.0 mm long and 9.72 mm in diameter is stressed in tension. A true stress of 368 MPa causes the specimen to plastically elongate to a length of 53.5 mm.
the horizontal motion of the plunger and shaft is arrested by the resistance of the attached disk which moves through
the following parameters are used for medium machining of low-alloy stell with a brinell hardness of 180cutting depth
fresh snow absorbs 80 percent of the incident solar radiation with wavelengths shorter than lambda1 0.4 microm 10
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