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The force F required to compress a spring a distance x is given by F - Fo = kx where k is the spring constant and Fo is the preload. Determine the work required to compress a spring, whose spring constant is k = 37 kN/m, a distance of 2 cm starting from its free length (i.e., Fo = 0 kN). Also, determine the power required, in Watts, to compress the spring in 0.5 seconds. Please draw a picture that illustrates the problem.
a pressure transducer has a natural frequency of 50 khz and a damping ratio of 0.4. it is to be used to measure
use the generalized virial equation to speculate whether a small leak in an h2 line at 300 bar and 298 k might raise
ten grams of liquid water at 95 c are contained in the insulated container shown. the pin holding the frictionless
a 0.3 m3 rigid tank is filled with saturated liquid water at 200degc. a valve at the bottom of the tank is opened and
the sphere of mass m1 travels with an initial velocity v1 directed as shown and strikes the sphere of mass m2. for a
in a steam power plant some steam from the turbine is bled off stream 1 and used in a mixing chamber to heat sub-cooled
consider a steam power plant that operates on a simple nonideal rankine cycle and has a net power output of 38 mw.
the hull of a boat has a volume of 150 m3 and the total mass of the boat when empty is 8560 kg. determine how much load
An orifice meter is used to measure the volume flow rate in a pipe. It takes 12 readings (in m3/s): 0.0182, 0.0188, 0.0179, 0.0183, 0.0182, 0.0176, 0.0191, 0.0185, 0.0184, 0.0180, 0.0178, and 0.0186. The true volume flow rate is 0.017920 m3/s. Estima..
the spherical gas tank is fabricated bynbspbolting together two hemispherical thinnbspshells of thickness 30 mm. if the
what would be the energy absorbed if a 60-lb 31.5-in pendelum was released from an angle of 50 degrees hit a test bar
Atomic radius and atomic weight of niobium are 0.143nm and 92.91 g/mol respectively. Calculate Nb density assuming (1) FCC, and (b) BCC crystal structures. Compare the values with t the available Nb density from the textbook (Materials Science and En..
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