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A particle of mass m can move on a rough horizontal table and is attached to a fixed point on the table by a light inextensible string of length b. The resistance force exerted on the particle is -mKv, where v is the velocity of the particle.
Initially the string is taut and the particle is projected horizontally, at right angles to the string, with speed u. Find the angle turned through by the string before the particle comes to rest. Find also the tension in the string at time t.
A fan with a diameter of 12 inches operates at a voltage of 120V with a current draw of 0.5 amps. The manufacturer claims the average velocity of air leaving the fan is 33.1 ft./s under stadard conditions. Standard air has a density of 0.075 lb mass ..
determining the eigenvalues of the state matrix.
a heat engine is operating on a carnot cycle and has a thermal efficiency of 55. the waste heat from this engine is
Determine the resistance and inductance of the circuit, as well as the speed of the reference frame.
Fluid Statics: Submerged Submarine, A submarine is at a depth of 2000 ft from the water surface. The atmospheric pressure above the water is at 14.7 psia
moist air at 30 degrees c 2 bar and 50 relative humidity enters a heat exchanger operating at steady state with a mass
A 2-mm-diameter meteor of specific gravity 2.9 has a speed of 6 km/s at an altitude of 50,000 m where the air density is 1.03 × 10-3 kg/m3. If the drag coefficient at this large Mach number condition is 1.5, determine the deceleration of the meteor.
An engineer insists that a component is fully constrained with 0 DOF because 2 plates are bolted together with 4 screws (assuming one of the 2 plates is considered "grounded"). Is he / she correct? Explain why or why not using concepts discuss..
For H2O, determine the specified property at the indicated state. Locate the state on a sketch of the T-v diagram. (A) T=140 degree Celsius, v=.5 m^3/kg. Find p, in bar (B) p=30 MPa, T=100 degree Celsius. Find v, in m^3/kg (C) p=10 MPa, T=485 degree ..
a simple torsion-bar spring has the shear stress in the steel g 80gpa shaft is not to exceed 90 mpa and the vertical
Compute the fugacities of ethane and n-butane in an equimolar mixture at 373.15K at 1, 10, and 15 bar total pressure assuming that the Lewis-Randall rule is correct.
What are the advantages of such signal modification chips in comparison with the conventional analog signal conditioning hardware that employ discrete circuit elements and separate components to accomplish various signal conditioning tasks?
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