Calculate natural frequency and driving frequency of system
An airplane wing modeled as a spring-mass system with natural frequency 40 Hz is driven harmonically by the rotation of its engines at 39.9 Hz. Calculate the natural frequency and the driving frequency of the system.
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Cardon's Boat Yard, Inc., repairs, stores, and cleans boats for customers. It is completing the accounting process for the year just ended, November 30, 2012.
Hunt Company is considering purchasing a competing company in order to expand its market share. Estimates of the excess of the value of the individual assets, less liabilities to be assumed, range from $50,000 to $60,000.
The volume of the air slowly decreases to 0.002 m3 in a quasi-equilibrium process as the specific internal energy of the air decreases by 260 kJ/kg. Neglecting friction between the piston and the cylinder wall, determine the heat transfer to the a
Potholes occur on a major city's streets at a rate of 4.2 per mile. What is the probability that a quarter-mile stretch has more than one pothole?
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February 19 - A building in California was destroyed by a tornado. The building had a cost of $100,000, Accumulated Depreciation of $40,000, and insurance proceeds from the destruction were $50,000.
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Identical point charges of +1.3 oC are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, such that it causes the potentials at the empty corners to change signs without changing magnitudes.
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