Why can airplanes fly?
Provides answers to such flight-related questions as "How do airplane wings work?" "What is thrust?" and "How do helicopters fly?"
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| Main Author: | |
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| Format: | Books Print Book |
| Language: | English |
| Published: |
New York :
PowerKids Press,
1999.
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| Edition: | 1st ed. |
| Series: | Library of why?
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| Subjects: | |
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