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| Thought Questions |
Open Ended Problems |
| 1. Are
the following systems stable or unstable (without
intervention)? Are the outcomes desirable without
intervention? |
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| a. Inflation rate in the national economy? |
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| b. The infection rate for a contagious disease, for example, ebola. | |
| c. The supply of food for your country. |
| 2 We know that physical systems that are unstable require control. |
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a. Discuss some physical systems that are unstable (without control). b. For each item in (a) above, discuss whether automatic control is required or whether corrections by a person are adequate.
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