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The microstructure shown in Fig. P5.8 vibrates in the horizontal direction. Beam b is considered rigid, and identical beams of mass m, length a, and flexural rigidity EI are used. Construct an equivalent model for a one - DOF system and find the natural frequency, as the vibration amplitude is much less than
the thickness of the beam. An engineer wishes to use the same structure for a linear actuator that requires a displacement greater than three times the beam width. Define the potential problem that arises from the design, and suggest a solution to the problem.
Suppose there are two goods (a snob good and a bandwagon good), each priced at $100. If I were to increase the price of both goods by $50, which good would experience the largest decline in the quantity demanded by consumers.
Supply Function: A review of industry-wide data for the jelly and jam manufacturing industry suggests the following industry supply function: Q = 59,000,000 + 500,000P - 125,000PL - 500,000Pk + 2,000,000W Where Q is cases supplied per year, P is the..
Robinson Crusoe can either fish (F) at a rate of 1 caught per 2 hours or pick Coconuts (C) at a rate of 1 picked per hour. He has 12 hours per day available for either activity. Describe his production possibilities.
Don spends his money on food and on operas. Food is an inferior good for Don. Does he view an opera performance as an inferior or a normal good? Why? In a diagram, show a possible income-consumption curve for Don.
Markets reward individuals according to their output; communism rewards people according to their needs. How might these different systems affect work effort?
What is the rate of change of concentration after 1 hour? After 5 hours?
During his first year at school, Ximing buys eight new college textbooks at a cost of $50 each. Used books cost $30 each. When the bookstore announces a 20% price increase in new texts and a 10% increase in used texts for the next year, Ximings fa..
You run a chain of movie theaters, so you commission a marketing study that categorizes your potential customers into 10 equal-sized groups according to what they're willing to pay for a movie ($10,$9,$8,$7,$6,$5,$4,$3,$2,$1).
The new extruder will increase the company's annual income by $90,000. Maintenance and operating costs are expected to be $4,000 during the first year and to increase by $1,200 each year. XYZ uses a MARR of 12% for its preliminary economic studies..
Create a visual representation of your database design as an IE Crow's Foot E-R diagram similar to the one in Figure 5-27.
a Caribbean wedding was less than $10,000. Listed below is a total cost in $000 for a sample of 8 Caribbean weddings. At the .05 significance level is it reasonable to conclude the mean wedding cost is less than $10,000 as advertised? 8.6 9.2 10.4..
Assume Firm Y's production function is given by the following Cobb Douglas equation: Q = 0.5 x L0.6 x K0.5 where L denotes labor and K denotes capital. a. Does the production function exhibit increasing, decreasing or constant returns to scale Expl..
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