Module 25 - Answers |
Lesson 1 |
Answer 1 |
25.1.1 The arches of the cycloid are higher and wider. |
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Answer 2 |
25.1.2 The radius of the tire is a units. |
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Answer 3 |
25.1.3
After 7 revolutions the reflector appears to return to its starting point. |
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Lesson 2 |
Answer 1 |
25.2.1
At t = 0.5 dy/dt
and dx/dt
These values satisfy the Chain Rule since
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Answer 2 |
25.2.2
The line tangent to the curve when t = 2 is y = 0.6421(x - 1.0907) + 1.4161. |
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Lesson 3 |
Answer 1 |
25.3.1
The arc length for
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Answer 2 |
25.3.2 The length of the spiral of Archimedes between t = 0 and t = 10 is about 51.748 units. |
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Self Test |
Answer 1 |
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Answer 2 |
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Answer 3 |
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Answer 4 |
The tangent line to the curve at
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Answer 5 |
The length of the curve between t = 0 and
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