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Money suggests an interesting decision problem for family investments.13 Start with $50,000 to invest over 20 years. There are two possibilities: a low-cost index fund and a fixed-interest investment paying 6.5% per year. The index fund has two possibilities: If equities rise by 6% a year, the $50,000 invested would be worth $160,356. If, on the other hand, equities rise at an average of 10% a year, the $50,000 investment would be worth $336,375. The fixed-interest investment would be worth $176,182. Suppose the probability of equities rising 6% per year is 60% and the probability that they rise 10% per year is 40%. Conduct the decision analysis.
A person of mass 71.5 kg is initially atrest on the edge of a large stationary platform ofmass 160 kg, supported by frictionless wheels on a horizontal surface.
four railroad cars each of mass 2.50 times 104 kg are coupled together and coasting along horizontal tracks at speed vi
If Neville weighs 25 N and climbs a mountain and exerts 500 J of work, how far did Neville climb
A 10 cm x 10 cm x 10 cm block of steel (density of steel =7900 kg/m3) is suspended from a spring scale. The scaleis in newtons. What is the scale reading if the block is in air
A 0.670 m long solenoid is formed by wrapping 420 turns of wire around a hollow cylinder with a radius of 0.130 m. calculate the energy stored in the field
A simple pendulum, 2.0 m in length, is released with a pushwhen the support string is at an angle of 25 from the vertical. what is its speed at the bottom of the swing
An aluminium cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. A 400 g sample of silver at an initial temperature of 90°C is placed in the water. The stirrer is utilized to stir the mixture gently until it reaches its final equilibr..
What is the magnitude of the normal force exerted by the car.
A tire is filled with air at 15 oC to a gauge pressure of 220 kPa. If the tire reaches a temperature of 38 oC, How much energy do you need to boil off 2 kg block of ice
An underdamped oscillator, where gamma = omega/3, is initially at rest and is subjected to a driving force given by F(t)= Asin(omega*t)+Bsin(3*omega*t),
A person with perfect pitch sits on a bus bench listening to the 445 Hz horn of an approaching car. If the person detects the frequency of 488 Hz, how fast is the car moving.
An RLC circuit has a reactance, due to its capacitance, of 11kΩ , a reactance, due to it inductance, of 3kΩ , and a resistance of 29kΩ . What is power factor of circuit?
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