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An investment pays $6000 at the end of the first year, $4000 at the end of the second year, and $2000 at the end of the third year. Compute the present value of the investment if a 10% rate-of-return is required.
a) $8333
b) $9667
c) $10,300
d) $12,000
water from a reservoir maintained at 20 deg c is pumped steadily along a horizontal pipe from which it is discharged
The asymmetric simple truss is loaded as shown. Determine the reactions at A and D. Neglect the weight of the structure compared with the applied loads. Is the knowledge of the size of the structure necessary?
Neglecting any frictional effects of the pulleys, calculate the deflection of the wire, expressed in millimeters.
Two construction workers each of mass m raise themselves on a hanging platform using pulleys as shown above. If the platform has a mass of 0.9 m, the initial distance between the pulleys and the platform is d, and the workers each pull with a force f..
consider a single sheet flat plate collector where the ambient temperature is 25c the insolation is 900 wm2 and
At approximately what temperature (in Kelvin) would a specimen of an alloy have to be carburized for 1.8 h to produce the same diffusion result as at 930°C for 14 h? Assume that values for D0 and Qd are 2.8 × 10-4 m2/s and 137 kJ/mol, respectively.At..
Determine the energy loss due to a gradual enlargement from a 25 mm OD x 2.0 mm wall copper hydraulic tube to a 80 mm OD x 2.8 mm wall tube when the velocity of flow is 3 m/s in the smaller tube and the cone angle of the enlargement is 20°.
For the gas as the system, the work is =84 kJ. Determine the final volume of the gas, in m3.
Initially, the engine weight acts in the (-z) direction through point Q which has coordinates (24,0,1.25); find the maximum tensile, compressive, and shear stresses at point A.
The motion dexterity of a device is defined as the ratio (the number of degrees of freedom in the device)/(the motion resolution of the device).
Analyze the frame in Figure by moment distribution. Determine all reactions and draw the' shear and moment diagrams, locating points, of inflection and labeling values of maximum shear and moment in each span.
the steam turbine power plant uses water as the working fluid and will be modeled as a simple ideal rankine cycle. the
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