Two trains on separate tracks move toward each other train
Two trains on separate tracks move toward each other. Train 1 has a speed of 125 km/h; train 2 a speed of 84.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1?
Hz
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A stock that currently trades at $10 has a beta of 1.6. The risk-free interest rate for the is 10%, and the market price of risk is expected to be 5%.
Two 20.0-g ice cubes at -21.0 °C are placed into 235 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 54 dB by an observer 10 km away. What is the average power generated by the horn
You have $10,000 to invest for one year and you decide to buy risk free Treasury Bills. Find the current rate of inflation, the yield on T-Bills, your tax rate is 40%. How much wealth have you made or lost over the year? Comment.
Two trains on separate tracks move toward each other. Train 1 has a speed of 125 km/h; train 2 a speed of 84.0 km/h. What is the frequency heard by the engineer on train 1
You have a dozen eggs at home, and you know that with them you can make 100 muffins. If you find that half of the eggs have gone bad and can't be used, how many muffins can you make. Express your answer as an integer.
Determine the appropriate after-tax cost of new debt for Triplin to use in a capital budgeting analysis.
Wires manufactured for use in a computer system are specified to hve resistances between .12 and .14 ohms. The actual measured resistances of the wires produced by company A have a normal probability distribution with mean .11 ohm
A 0.14 meter string clamped at both ends under a tension of 16 N has a fundamental frequency of 135 Hz. What is the mass density of the string
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