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A single-scoop ice cream cone is a composite body made from a single scoop of ice cream placed into a cone. Assume that the scoop of ice cream is a sphere with radius r = 1.67 in that is placed into a 4.00 in tall cone. The interior height of the cone is 3.60 in. The cone has an exterior radius of 1.25 in and an interior radius of 1.10 in. The scoop of ice cream sits on the cone's interior radius and extends into the cone some distance. Find the bar {z} centroid for the cone (the scoop of ice cream and the cone).
A company facing an interest rate of 8% must choose among projects offering the following four-year cash flows. If the company is employing the net present value criterion, which project should they choose
The partition is free to move and allows conduction from one gas to the other without energy storage in the partition itself. The air and carbon dioxide each behave as ideal gases. Determine the final equilibrium temperature
At a certain location on the surface of an engineering component, the material is in a state of plane stress with principal stresses of fmax = 150 MPa and fmin = 50 MPa (both tensile). If the yield strength of the material is Y = 350 MPa
a). Determine the state of stresses in the walls and indicate these stresses (including arrows to denote the direction of the stresses) on the element below. b). Then, determine the maximum in-plane shear stress on the wall of the pipe using Mohr's..
Compute the maximum acceptable tensile service load T that may act on a single angle L6x4x3/4 that is welded along only one leg to a gusset plate; thus, there are no holes. The service load is three times the dead load. Solve for a0 A36 steel.
A wastewater treatment plant must disinfect its effluent before discharging the wastewater to a near-by stream. The wastewater contains 4.5*105 fecal coliform colony-forming units (CFU) per liter.
The two pulleys are riveted together to form a single rigid unit, and each of the two cables is securely wrapped around its respective pulley. If point A on the hoisting cable has a velocity v=0.9 m/s,
Find the limiting length of an offset so that the displacement of a point on paper is may not exceed 0.025 centimetres.The offset was laid 3 degree out from it's true direction and the scale was 10m to 1cm.
If friction between the cars and the rails is neglected, what were the magnitude and the direction of the velecity of the cars after the collision?
Determine the arrival rate assuming that it is unchanged over the duration of the observation period. An approach to a pretimed signal with a 60second cycle has nine vehicles in the queue at the beginning of the effective green.
The CMFT has a 4000 gallon volume. What wastewater flowrate can be treated in this CMFR in order to remove 98% of the BOD5
A study of the traffic using a tunnel showed that the following speed-concentration relationship applies. Find the capacity of the tunnel, the values of speed and oncentration at capacity, and the jam concentration.
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