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Rotation of bar OA is controlled by the lead screw which imparts a horizontal velocity v to collar C and causes pin P to travel along the smooth slot. Determine the values of r dot and theta dot, where r = OP, if h = 160mm, x= 120mm and v = 25 mm/s at the instant represented.
Air (assumed to be an ideal gas) is contained in a piston-cylinder assembly at an initial state of 1 bar with a volume of 1 m3. The mass of air contained in the cylinder is 1 kg. During any expansion or compression of the air, the pressure remains co..
Calculate the maximum stiffness k of each of the parallel springs which will allow the pendulum to be in stable equilibrium at the bottom position () = 0.
Determine the work input and entropy generation during the compression of steam from 100 kPa to 5 MPa in (a) an adiabatic pump and (b) an adiabatic compressor is the inlet state is saturated liquid in the pump and saturated vapor in the compressor an..
consider the steel balls from 5.6 except now the air tempincreases with time as tinft325kat where a 0.1875ks.asketch
when x 10 ft the crate has a speed of 20 fts which increasing at 6 fts2. determine the dirction of the crates velocity
steam is expanded in an adiabatic nozzle. determine the exit velocity if the inlet is a 2 mpa 450oc and the velocity is
If one is a refrigeration cycle and the other is a heat pump cycle, what is the relation between their coefficients of performance?
a 100kg pure iron block at 27 degrees c is dropped into an insulated rigid tank that contains 0.1m3 of unused engine
air enters the compressor of an ideal closed air-standard brayton cycle at 100kpa with a volumetric flow rate of 5m3s.
How many cycles will the material tolerate at a stress amplitude of +- 70MPa and zero mean stress? How will this change if the mean stress is 10 MPa? What if the mean stress is -10MPa? The tensile strength of the alloy is 200MPa.
a 1200 lb wrecking ball with a velocity of 4 fts at the bottom of its arc strikes a wall and comes to rest in a
The kinematic viscosity and specific gravity of a liquid are 3.5*10^-4 and .79. What is the dynamic viscosity of the liquid in SI units also determine the acoustic velocity, assuming a bulk modulus of 1.06E9 Pascals
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