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The gyroscope as shown in Fig. 9.83 is often used to demonstrate gyroscopic precession due to the action of the gravitational force. Determine the angular velocity of precession of a gyroscope of 16.1 lb weight spinning at 6000 rpm. The radius r is 4 in. and a is 17.9 in.
the suspension of an automobile can be approximately by the simplified spring-dashpot determine and plot the amplitude
When a material is subjected to a cyclic stress, large cracks grow more slowly than small cracks. The concept of a critical stress for crack propagation is only applicable to brittle materials. Materials will not break if the applied stress is kept b..
A rotating saw blade has 48 teeth and 4 slots. If the room where the saw is used is illuminated with a pulsed light source, at what pulse frequencies will a) the saw blade teeth appear to be stationary? b) The blade slots appear stationary? c) Will t..
a mass of 5kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder device at 100 kpa. initially
(a) Find the total downward force exerted by the liquid and the atmosphere on the top of the object. (b) Find the total upward force on the bottom of the object. (c) Find the tension in the wire. (d) Calculate the buoyant force on the object using Ar..
How long will it take for the surface of the rod to reach 175°C, the temperature above which the special coating will cure? Generate a plot of the time to reach 175°C as a function of air velocity for 5 V 50 m/s.
the potential at location a is 377 v. a positively charged particle is released there from rest and arrives at
a steam radiator in a well-insulated room 4m times 4m times 5m contains superheated vapor at 200kpa 200c. it has a
Four kg of water at 100°C fill a closed container having a volume of 1 m3. If the water at this state is a vapor, determine the pressure, in bar. If the water is a two-phase liquid-vapor mixture, determine the quality.
Compute a stationary spot price equilibrium, (x0 , x1, P(r), r , G, T), with nonnegative interest rate r and with P1(r) + P2(r) = 1. Does the ratio P1(r)/P2(r) increase, decrease, or remain constant as r increases? Give an intuitive explanation for w..
a pure jet engine propels an aircraft at 240 ms through air at 45 kpa and -13 c. the inlet diameter of this engine is
saturated ammonia vapor leaves an evaporator at 10 f and 0.5 lbms. the velocity must be less than 15 fts. what is the
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