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Two moles of a monatom1c ideal gas are at a temperature of 0°C and a volume of 45 liters. The gas is expanded adiabatically ( dQ = 0) and quasi-statically until its temperature falls to - 50°C. What are its imtial and final pressures and its final volume?
the maximum power output capability of an engine decreases with altitude because the air density and hence the mass
pole a whose coordinates are 20 degree n 50 degree e is to be rotated about the axes described below. in each case find
A 2-lb block, sliding on a smooth horizontal surface with a velocity of 12 ft> s, strikes the rod at its end B. Determine the velocity of the block immediately after the collision. The coefficient of restitution between the block and the rod at B i..
At the proportional limit, a 30 mm wide × 12 mm thick bar elongates 2.0 mm under an axial load of 41.5 kN. The bar is 1.5-m long. If Poisson’s ratio (ratio between longitudinal and lateral deformations) is 0.33 for the material, determine:
A 10-kg block swings down and strikes an identical block. Assume that the 6-m rope breaks during impact and the coefficient of restitution is zero. How long will it be before m2 comes to rest? How far will it have traveled? What is the percentage o..
find the natural frequency of a pendulum for small angle deflections when the mass of the rod/string is not negligible. (Mass of rod = m, mass of ball = M.
Begin with a free-body diagram of BCD and determine the force supported by roller C. Note that roller B does not contact the vertical column.
the disk in a computer hard drive spins at 7200 rpm. at the radius of 30 mm a stream of data is magnetically written on
Knowing that the gage pressure inside the tank is 5 MPa, determine the maximum stress and the maximum shearing stress at point L.
the rod assembly is used to support the 250lb cylinder. determine the components of reaction at the ball and socket
A liquid flows from A to B in a horizontal pipe line shown at a rate of 3 ft3 /s with a friction loss of 0.45 ft of flowing fluid. For a pressure head at B of 24 in., what will be the pressure head at A?
An outside wall of a building is constructed of 1/2 inch gypsum sheeting, 8 inches of concrete block (hollow, 3 oval core), and 4 inches of common brick. The inside of the building is maintained at 75F dry-bulb temperature and 65F wet-bulb temperatur..
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