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A linear harmonic oscillator of force constant 2 × 106 N/m and amplitude 0.01 m has a total mechanical energy of 160 J.
Show that its (a) maximum potential energy is 160 J (b) maximum kinetic energy is 100 J.
a 20 mm diameter steel bar is to be used as a torsion spring. if the torsional stress in the bar is not to exceed 100
the suspension of an automobile can be approximately by the simplified spring-dashpot determine and plot the amplitude
a pure jet engine operates on an ideal cycle. the pressure ratio is 13 and the turbine inlet temperature 830 k.
Derive at least four concept designs to satisfy the given specification - draw a central cross-section of the heat exchanger
a a 10-mm-diameter brinell hardness indenter produced an indentation 1.62 mm in diameter in a steel alloy when a load
refrigerant 134a at -10degc 1.4 bar and a mass flow rate of 280 kghr enters an insulated compressor operating at steady
hi i study in university in greece...i need your help until tomorrow for a mechanical draw.. ltbrgti must draw the
What is the heat loss per unit length of pipe? Consider the effect of insulating the pipe with a rigid urethane foam (k = 0.026 W/m · K). Evaluate and plot the heat loss as a function of the thickness 8 of the insulation layer for 0 8 50 mm.
Find the height to which the water can be delivered - A centrifugal pump delivers water at the rate of 0.22 m3/s from a reservoir at ground level toanother reservoir at a height H, through a vertical pipe of 0.2m diameter.
a steam turbine operates at steady state. steam enters the turbine at 2.0 mpa and 350 degc with a specific enthalpy of
An adiabatic gas turbine expands air at 1000 kPa and 500?C to 100 kPa and 150?C. Air enters the turbine through a 0.2-m2 opening with an average velocity of 40 m/s, and exhausts through a 1.09-m2 opening.
A piston cylinder holds air at 80 F and 15 psi. During an adiabatic process the pressure is increased to 165 psi and the entropy generated is 0.15 BTU/lb-R. Determine the isentropic efficiency for this process.
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