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The 30-kg uniform disk A and the bar BC are at rest and the 5-kg uniform disk D has an initial angular velocity ω1 of magnitude 440 rpm when the compressed spring is released and disk D contacts disk A. The system rotates freely about the vertical spindle BE. After a period of slippage, disk D rolls without slipping. Knowing that the magnitude of the final angular velocity of disk D is 176 rpm, determine the final angular velocities of bar BC and disk A. Neglect the mass of bar BC.
a solid object of aisi 302 steel at a temperature of 850 degc is quenched in mineral oil at a temperature of 25 degc.
consider a carnot refrigeration cycle with a working fluid of r-134a operating between temperatures of -10oc and 20oc.
for an oil field in the south of texas usa where a vertical well is drilled to a maximum depth of 10000 ft the average
a refrigerator removes heat from the refrigerated space at 2 oc at a rate of 300 kjmin and rejects heat to the kitchen
Heat loss from an insulated pipe, a standard schedule 40, 2-in. steel pipe (inside diameter 2.067 in. and wall thickness 0.154 in.) carrying steam is insulated with 2 in. of 85% magnesia covered in turn with 2 in. of cork. Estimate the heat loss p..
A 2.4-N force is applied to the plunger of a hypodermic needle. If the diameter of the plunger is 1.3 cm and that of the needle 0.20 mm,
a thermocouple place in the mouth of a pitot tube can be used to measure the stagnation temperature of the flow. such
The joint of a space frame is subjected to four member forces. Member OA lies in the x-y plane and member OB lies in the y-z plane. Assume that F = 170lb. Determine the force F1 acting in OA member required for equilibrium of the joint.
a hot iron block at 300 ordmc of sides 15 cm by 20 cm by 25 cm is placed on insulated horizontal surface with its 15 cm
Determine a condition on µ,2 which would allow him to do this, as opposed to his slipping relative to a stationary panel.
a 20-kg uniform cylindrical roller initially at rest is acted upon by a 90-n force as shown. knowing that the body
The cone frustum in the figure contains incompressible liquid to depth h. A solid piston of diameter d penetrates the surface at velocity V. Derive an analytic expression for the rate of rise dh/dt of the liquid surface.
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