Exercise 4. Show that if a has unit speed, i.e., |a'(t) || = 1, then its velocity and acceleration are orthogonal, i.e.,
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Exercise 4. Show that if a has unit speed, i.e., |a'(t) || = 1, then its velocity and acceleration are orthogonal, i.e.,
Exercise 4. Show that if a has unit speed, i.e., |a'(t) || = 1, then its velocity and acceleration are orthogonal, i.e., (a'(),")) = 0.
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