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Elasticity

Chapter 5: Elasticity: A Measure of Response Notes

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Economics Chapter 5, Elasticity: A Measure of Response Notes Start Up: Raise Fares? Lower Fares? What?s A Public Transit Manager To Do? Imagine that you?re the manager of a public transportation system for a large area. Costs of operating have soared in the last few years, and you?re under pressure to boost revenue. What do you do? An obvious choice is to raise fares; that?ll make customers angry, but it will generate the extra revenue you need.. Or will it? The law of demand says that raising fares will reduce the number of passengers riding on the system. If the number falls only a little, then the higher fares that your remaining passengers pay might produce the higher revenues you need

Chapter 10 Notes

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Chapter 10 Simple Harmonic Motion and Elasticity 10.1 The Ideal Spring and Simple Harmonic Motion spring constant Units: N/m 10.1 The Ideal Spring and Simple Harmonic Motion Example 1 A Tire Pressure Gauge The spring constant of the spring is 320 N/m and the bar indicator extends 2.0 cm. What force does the air in the tire apply to the spring? 10.1 The Ideal Spring and Simple Harmonic Motion 10.1 The Ideal Spring and Simple Harmonic Motion Conceptual Example 2 Are Shorter Springs Stiffer? A 10-coil spring has a spring constant k. If the spring is cut in half, so there are two 5-coil springs, what is the spring constant of each of the smaller springs? 10.1 The Ideal Spring and Simple Harmonic Motion HOOKE?S LAW: RESTORING FORCE OF AN IDEAL SPRING

microeconomics practice test

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AP Microeconomics Multiple Choice: Choose the item that best answers each question.? Each question is worth an equal amount.? You have 90 minutes to complete this test.? ??????? 1.??? In which of the following instances will total revenue decline? ?????????????? A)?? price rises and supply is elastic ?????????????? B)?? price falls and demand is elastic ?????????????? C)?? price rises and demand is inelastic ?????????????? D)?? price rises and demand is elastic ??????? 2.??? The diamond-water paradox occurs because: ?????????????? A)?? the price of a product is related to its total utility, not its marginal utility. ?????????????? B)?? the price of a product is related to its marginal utility, not its total utility.

Chapter 9 sol

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Chapter 9 Page 9.1 9 Solids and Fluids PROBLEM SOLUTIONS 9.1 The elastic limit is the maximum stress, F A where F is the tension in the wire, that the wire can withstand and still return to its original length when released. Thus, if the wire is to experience a tension equal to the weight of the performer without exceeding the elastic limit, the minimum cross-sectional area is 2minmin 4 D F mgA elastic limit elastic limit ?? ? ? and the minimum acceptable diameter is ? ? ? ? ? ? ? ? 2 3min 8 4 70 kg 9.8 m s4 1.3 10 m 1.3 mm5.0 10 Pa mgD elastic limit? ? ?? ? ? ? ?? 9.2 (a) In order to punch a hole in the steel plate, the superhero must punch out a plug with cross- sectional area, csA , equal to that of his fist and

4.3 Vocabulary

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