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The equation of motion for the system of Fig. P2.59 with Coulomb damping can be written as m + kx - mu F sgn( ) where sgn ( ) = plus minus 1 (i.e., sgn ( ) = +1 when is positive and -1 when is negative) The general solution to this equation is x(t) = A sin omega mt + B cos omega mt + mu F / k sgn ( ) Evaluate the constants A and B if the motion is started with the initial conditions x(0) = x0 and (0) = 0.
a vat holds 2.25103 kg of a 22.0 solution of ethylene glycol and water. how much must be drained from the tank and
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For the beam shown in fig.(4-26) ,determine the maximum deflection and maximum bending stress .let E=200 Gpa or 30*10^6 psi for beam as appropriate for the rest of the units in the problem .Let c be the half -depth of each beam .
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consider the reversible adiabatic flow of stream through a nozzle. steam enters the nozzle at 1 mpa and 300degc with a
a steel plate which is 1.5 m by 1.5 m and 30 mm thick is lifted by four cables attached to its corners that meet at a
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