1.2.1 The Cycloid Problem
Which of the following describes ?
Define a vector as follows:
.
Describe this vector:
- What does this vector look like?
- Is it defined at all points along the path?
- When is it long?
- How long does it get?
- When does it vanish?
- In which direction does it point at each value of ?
Repeat the previous exercise for the vector .