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Information about spinoffs, short learning modules inspired by long-term activities (ltas), which give students an opportunity to use mathematics in real-world contexts. The document focuses on the relationship between the total projected operating time (tpot) for fuel cells and the number of flights per year. It includes a function, a graph, and a table to help understand this relationship.
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Project Grant Team
John S. Pazdar Patricia L. Hirschy Project Director Principal Investigator Capital Comm-Tech College Asnuntuck Comm-Tech College Hartford, Connecticut Enfield, Connecticut
This project was supported, in part, by the Peter A. Wursthorn National Science Foundation Principal Investigator Opinions expressed are those of the authors Capital Comm-Tech College and not necessarily those of the Foundation Hartford, Connecticut
NASA - AMATYC - NSF 1.
Spinoffs are relatively short learning modules inspired by the LTAs. They can be easily implemented to support student learning in courses ranging from prealgebra through calculus. The Spinoffs typically give students an opportunity to use mathematics in a real world context.
Jeanne Bowman - AMATYC Writing Team Member University of Cincinnati, Cincinnati, Ohio
Peg Greene - AMATYC Writing Team Member Florida Community College at Jacksonville, Jacksonville, Florida
Marcia Groh-Hammond - NASA Scientist/Engineer Kennedy Space Center, Florida
Randy Greeson - NASA Scientist/Engineer Kennedy Space Center, Florida
Seth Berkowitz - NASA Scientist/Engineer Kennedy Space Center, Florida
**NASA - AMATYC - NSF
How the Number of Flights Per Year Changes the Total Projected Operating Time for Fuel Cells
At the present time NASA makes projections based on 8 flights per year. However, it is possible that the number of flights could increase or decrease in the future.
Flights per Year Total Projected Operating Time (TPOT) 5 8 12 15 20
What does the slope of the graph of the function represent?
What could cause the slope to change?
Do all the points you graphed make sense? Why or why not?
Give the coordinates of one point on your graph. What do the numbers mean?
If the TPOT cannot exceed 15,000 hours, how many flights per year would be possible?