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You own several copiers that are currently valued at RIO 000 all together. .Annual operating and maintenance costs for all copiers are estimated at R9000 next year, increasing by 10% each year thereafter. Salvage values decrease at a rate of 20% per year.You are considering replacing your existing copiers with new ones that have a suggested retail price of R25 000 . Operating and maintenanc e costs for the new equipment will be R6000 over the first year, increasing by 10% each year thereafter. The salvage value of the new equipment is well approximated bv a 20% drop from the suggested retail price per year. Furthermore , vou can ge t a trade - in allowance of R12 000 for your equipment if you purchase the new equipment at its suggested retail price. Your MARR is 8%. Should vou replace vour existing equipment now?
The moment of inertia with respect to axis 1-1 of the scalene triangle shown in the figure is 90 ×103 mm4. Calculate its moment of inertia I2 with respect to axis 2-2.
Determine the resultant of the force system shown in below using graphical method - Determine the tension in the rope, assuming the pulleys to be frictionless, and the reaction at A.
a 13.2 kg axial load is uniformly carried by an aluminum pipe with an outside diameter of 10.0000 cm and an inside
part-1suppose that a simple pendulum is attached to our spring-damper-mass system. a simple schematic of the model is
Why is it appropriate to take velocity measurements at several diameters downstream of the fan?
the coefficient of restitution is 0.9 between the two 60-mm-diameter billiard balls a and b. ball a is moving in the
Calculate the magnitude of the clockwise couple M required to turn the 50-kg cylinder in the supporting block shown. The coefficient of kinetic friction is 0.30.
One-tenth kilogram of air as an ideal gas with k 5 1.4 executes a Carnot refrigeration cycle, as shown in Fig. 5.16. The isothermal expansion occurs at 2238C with a heat transfer to the air of 3.4 kJ. The isothermal com..
Give the API mode 1 frame $42 will receive from its Xbee module.
The project engineer, the shop foreman, and a consultant met to discuss the problem. The consultant proposed applying forward and back tension during rolling, the project engineer suggested reducing the reduction per pass, and the shop foreman fav..
The internal diameter of the pressure vessel is 300 mm and the pressure in the vessel varies from 0 to P kPa gauge. Assuming that the bolts are initially tightened to 80% of their yield strength determine the maximum value of P that would not caus..
Suitable quantities of KBr and copper (II) sulfate were added to a 25.0-mL sample containing aniline. Calculate the mass in micrograms of C6H5NH2 in the sample from the accompanying data:
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