Assessment
Before completing this activity, you should be able to:
• calculate scale using mathematical operations
• describe the general organization of the geologic time scale
After completing this activity, you should be able to:
• examine the differences in time between each era and period on the geologic time scale
• describe the reasons for the organization of the scale
• create a scale model of the geologic time scale
Geologic Time Scale Activity
In this activity, you will create a geologic time scale, separating the model into segments that represent eons
and eras of geologic time. Complete the Geologic Time Scale Activity and submit it to your instructor for
grading. Review this Grading Rubric before completing the activity.
06.01 Geologic Time Scale
. Please view the Grading Rubric before beginning the assessment.
Review all parts of the lesson, including the interactives.
Complete and submit the 06.01 Geologic Time Scale assessment
Posted Wed Aug 12, 2020 at 7:50 pm
Answers: 1
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As part of an industrial process, air as an ideal gas at 10 bar, 400k expands at steady state through a valve to a pressure of 4 bar. the mass flow rate of air is 0.5 kg/s. the air then passes through a heat exchanger where it is cooled to a temperature of 295k with negligible change in pressure. the valve can be modeled as a throttling process, and kinetic and potential energy effects can be neglected. (a) for a control volume enclosing the valve and heat exchanger and enough of the local surroundings that the heat transfer occurs at the ambient temperature of 295 k, determine the rate of entropy production, in kw/k. (b) if the expansion valve were replaced by an adiabatic turbine operating isentropically, what would be the entropy production? compare the results of parts (a) and (b) and discuss.
Answers: 3
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A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
Answers: 1
Assessment
Before completing this activity, you should be able to:
• calculate scale using ma...
• calculate scale using ma...
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