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1. Greg wants to have $50 000 in five years. He has S20 000 todav to invest. The bank is offering five-year investment certificates that pay interest compounded quarterly. What is the minimum nominal interest rate he would have to receive to reach his goal?
2. Greg wants to have $50 000. He will invest S20 000 today in investment certificates that pay 8% nominal interest, compounded quarterly. How long will it take him to reach his goal?
a tank of 50 cubic feet contains saturated ammonia at 100 f and a quality of 50. vapor is withdrawn from the top of the
water is the working fluid in an ideal rankine cylce. saturated vapors enters the turbine at 16mpa and the condensor
Current airbag regulations specify that they must only pass a test designed to protect a 175 pound male who is not wearing a seatbelt. There is currently a discussion of lowering the explosive force by 30%, so that smaller-sized people (including wom..
The schematic diagram of a centrifugal governor is shown in Fig. 2.70. The length of each rod is l, the mass of each ball is m, and the free length of the spring is h. If the shaft speed is ω determine the equilibrium position and the frequency fo..
Water, initially a saturated liquid at 100 C, is contained in a piston–cylinder assembly. The water undergoes a process to the corresponding saturated vapor state, during which the piston moves freely in the cylinder. If the change of state is brough..
calculate an estimate of x(0.25) accurate to three decimal places.
circular copper rods of diameter d1mm and length l25mm areused to enhance heat transfer from a surface that is
There are about 35 light bulbs in the room, each with a rating of about 40 W. The rate of heat transfer through the walls and windows to the room will probably be around 15,500 kJ/h. Determine the total number of air conditioning units needed to..
A pipe with OD 6.03cm, ID 4.93cm carries steam at 250deg C with h = 200 W/m^2.K The pipe is covered with 2.5cm of magnesia (85%) insulation followed by 2.5cm of polystyrene (k = .025 W/m.K The outer surface is exposed to air at T = 20 deg C with h = ..
Two kilograms of Refrigerant 134a, initially at 200 kPa and occupying a volume of 0.11874 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible.
a 20-m3 tank contains nitrogen at 23degc and 600 kpa. some nitrogen is allowed to escape until the pressure in the tank
consider a solid cylinder of radius r and height h. heat is generated in the solid at a uniform rate of q wm3. one of
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