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An acrobat weighing 120 lb walks on a tightrope, as shown in Fig. 2.69. If the natural frequency of vibration in the given position, in vertical direction, is 10 rad/sec, find the tension in the rope.
a rubber cylinder of diameter d is compressed inside a steel cylinder by a force f. a obtain a formula for the lateral
A 1300 car is traveling along a straight road at 18 . Two seconds later its speed is 21. What is the magnitude of the net force acting on the car during this time?
how much heat in kj must be added to 2 kg of steam initially at t1 300 degree c contained within a rigid volume to
Calculate the natural frequencies and mode shapes of a shaft in torsion of shear modulus G, length l, polar inertia J, and density ρ that is free at x = 0 and connected to a disk of inertia J0 at x = l.
Calculate the total net thrust generated by the propeller. Calculate the propeller power used to generate thrust. The turbine driving the propeller generates 416 kW of power. Calculate the efficiency of the propeller.
a reversible power cycle whose thermal efficiency is 40 receives 50 kj by heat transfer from a hot reservoir at 600 k
Find the false statement regarding hardness testing
Knowing that crank AB rotates about point A with a constant angular velocity of 900 rpm clockwise, determine the acceleration of the piston P when θ = 120°.
Determine if the shaft has infinite fatigue life. If not, determine the number of cycles to failure. Also determine the safety factor for first cycle yield and draw a free body diagram, shear and moment diagrams, and graph the loads on the shaft..
Derive an expression for lift co-efficient of a Van de Vooren Airfoil having chord length =2l,thickness parameter E and trailing angle tau. Discuss the effects of E and tau on the lift of Van De Vooren Airfoil.
a steam turbine produces power w 3000 hp from a mass flux m 20000 lbhr. the steam enters at temperature t1 810.78 k
At resonance, the amplitude is measured to be 0.8 cm. At 0.85 resonant frequency, the amplitude is measured to be 0.6 cm. Determine the damping factor (zeta) of the system.
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