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A square platform PQRS and a car that it is supporting have a combined mass of M. The platform is suspended by four elastic wires from a fixed point O, as indicated in Fig. 2.72. The vertical distance between the point of suspension O and the horizontal equilibrium position of the platform is h. If the side of the platform is a and the stiffness of each wire is k, determine the period of vertical vibration of the platform.
two identical cylinders c1 and c2 each of radius r and weight p are tied together by a cord. they support a third
what are the higher and the lower heating values of a fuel? how do they differ? how is the heating value of a fuel
a hydrogen gas in a pistoncylinder assembly at 280k 100 kpa with a volume of 0.1 m3 is now compressed to a volume of
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ethane gas is burned in a steady-flow process with 30 excess air both of which enter separately at 25 0 c and 1 atm.
a team of design students working on a mousetrap-powered vehicle decides to use computercompact discs as wheels. the
the steel bolt and anchor assembly is used to reinforce the roof of a passageway in an underground coal mine. in
Calculate the net cycle work in kJ assuming air is an ideal gas with constant specific heats.
design a double-reduction gear train that will transmit 7.45 kw from an electric motor running at 1750 rpm to an
Define the term analysis as used in computer aided design in mechanical engineering
Water is boiled at sea level in a coffee maker equipped with an immersion-type electric heating element. The coffee maker contains 1 L of water when full. Once boiling starts, it is observed that half of the water in the coffee maker evaporates in 25..
at t0 a disk with mass 3kg is placed on a spinning platform. the disk slides and begins to accelerate. if the maximum
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