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General rigid pendulum A rigid body of general shape has mass M and can rotate freely about a fixed horizontal axis. The centre of mass of the body is distance h from the rotation axis, and the moment of inertia of the body about the rotation axis is I. Show that the period of small oscillations of the body about the downward equilibrium position is
2π(1/Mgh)1/2
Deduce the period of small oscillations of a uniform rod of length 2a, pivoted about a horizontal axis perpendicular to the rod and distance b from its centre.
Methane burns with 90% of theoretical air to form an equilibrium mixture of CO2, CO, H2O(g), H2, and N2 at 1000 K, 1 atm. Determine the composition of the equilibrium mixture, per kmol of mixture.
Identify the ions responsible for the peaks in the mass spectrum shown in Figure 20-20b.
Three return steam lines in a chemical processing plan enter a collection tank operating at a steady state at 1 bar. Steam enters inlet 1 with flow rate of 0.8 kg/s and a quality of 0.9. Steam enters inlet 2 with flow rate of 2kg/s at 200 degrees C. ..
saturated water vapor at 11.91 bar enters an insulated throttling valve which drops the pressure to 1.50 bar. determine
steam at 2 kg s enters a turbine at 6000 kpa and 600 c and exits as saturated vapor at 20 kpa. the turbine produces
An IFR turbine rotor is designed with 13 vanes and is expected to produce 400 kW from a supply of gas heated to a stagnation temperature of 1100 K at a flow rate of 1.2 kg/s.
If the sea power plant described in Problem 11.5 is to deliver power at $8/106 Btu, estimate the maximum permissible cost of the condenser and evaporator heat-exchanger surface in dollars per square foot, assuming a 20-year life, 10% discount rate..
a dam in western north carolina takes a 30 m3 s flow of water from the nantahala river and diverts it to a turbine
the upper surface of a 50-cm-thick solid plate k237 wmk is being cooled by water with temperature of 20 degrees
calculate the span of a differential pressure transmitter that is mounted 10 inches below the bottom instrument tap on
Find the percent of motion transmitted to the instrument panel if it weighs 50 lb.
what is the required wind tunnel velocity corresponding to a hydrofoil velocity in seawater at 15 mph? Assume Reynolds number similarity is required.
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