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A balloon behaves so the pressure is P = C2V1/3, C2 = 100 kPa/m. The balloon is blown up with air from a starting volume of 1 m3 to a volume of 3 m3. Find the final mass of air assuming it is at 25oC and the work done by the air.
A uniform circular disk of mass m = 1 kg and radius R = 0:4m rolls down an incline. Suppose the disk starts rolling from rest. Find the speed of the center-of-mass when the disk is 2m down the inclined plane.
Briefly explain the difference between fatigue striations and beachmarks in terms of both size and origin.
Starting from the energy equation and using the one-dimensional heat conduction derivation as an example
what is differential levelling? list the procedure for carrying out a differential levelling exercise where one point
a mass of 2.4 kg of air at 150 kpa absolute and 12 degrees celsius is contained in gas tight frictionless piston
Convert the composition of the following alloy from atom percent to weight percent (a) 44.8 at% of silver, (b) 46.3 at% of gold, and (c) 8.9 at% of Cu. Assume that the atomic weights for silver, gold and copper are, respectively, 107.87, 196.97 an..
determine the magitudes of the horizontal and vertical reactions of the chair on the man at the instant . At this instant he has a speed of 6 m/s, which is increasing at 0.5 m/s^2.
A magnetic pickup is used to detect the shaft speed of a turbocharger. A standard hexagonal nut is used to excite the pickup. If the shaft is turning at 50,000 rpm, how many positive impulses will be counted per second?
Hollow shaft transmitting power with shear limits. Design a hollow steel shaft to transmit 300 hp at 75 rpm without exceeding a shear tress of 8000 psi. Use 1.2:1 as the ratio of the outside diameter to the inside diameter.
Determine the factor of safety against net section yield in the presence of the crack and determine the factor of safety against brittle fracture for the same conditions.
Determine a) the volume of the tank,b)the final temperature and pressure, and c) the internal energychange of the water.
Employing the ideal gas model, determine the change in specific entropy between the indicated states, in Btu/lbmol?ºR. Solve 2 ways: Use the appropriate ideal gas table AND also by using a constant specific heat value.
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