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The 4-lb rod AB is hanging in the vertical position. 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 is e = 0.8.
in a mild steel block a flat surface of length 100 mm and width 60 mm has to be finished in a shaping machine in a
Consider a Refrigerant 22 at 0oC that is going through a phase change from the saturated liquid to saturated vapor. Using T-dS equations, calculate the entropy change between these two phases.
a diffuser in a jet airplane intake system is instrumented to give readings of stagnation temperature and stagnation
If the speed of the man at A (XA = 5m and YA = 1m) is VA = 9 m/s and the increase of his speed is dVA/dt = 13 m/s2, calculate the magnitude of his acceleration and the slop angle at this point.
air within a piston-cylinder assembly initially at 175psi 660of undergoes an isentropic expansion to 20 psi. what is
Do this by assuming uniaxial tension along [110] and expressing σ 1, σ 2,.. .,τ 12 in terms of σ [110]. Then use the matrix of elastic constants to ?nd e1, e2, . . .,γ 12, and ?nally resolve these strains onto the [110] axis to ?nd e[110].
a mass of 15 kg of air in a piston-cylinder device is heated from 25 to 77 degrees celcius by passing current through a
Two control rods are attached at A to lever AB. Using trigonometry and knowing that force in the right-hand rod is F2=20 lb, determine a.) the required force F1 in the left-hand rod if the resultant R of the forces exerted by the rods on the le..
a steam power plant operates on an ideal reheat-regenerative rankine cycle and has a netnbsppower output of 80 mw.
a concentric tube heat exchanger uses water which is available at 15?c to cool ethylene glycol from 100 to 60c. the
1 a car with a projected frontal area of 1.8 m2 is traveling at 136 kph. if the drag coefficient of the car is 0.45 and
one cubic foot 1 ft3 of air is contained in a piston - cylinder arrangement. the axis of the cylinder is oriented in
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