Assignment: Chapter 8
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E Chapter 8 Test: Equilibrix
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quilibrium/Shortage/Surplus Worksheet a ☺
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Combining Supply and Demand
Scenario: The following shows a demand and supply schedule listing NBA Finals tickets demanded
and supplied (in the thousands) per week at each price.
Complete the chart by typing in the correct answer in each box (answers should be numbers)
o Hint: You always follow this when calculating your answers (Big # - Small #)
After completing the chart, answer the questions below:
Price Per
Ticket
Quantity Quantity
Demanded (QD) Supplied (QS)
Shortage (QD-QS)
Surplus (QS-QD)
Equilibrium (QD=QS)
$300
2
25
$285
8
21
$270
11
17
$255
13
13
$240
18
$225
15
13
gebied
FANSWERS
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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