Method for Computing N Let v(t) = r (t) . Show that N(t) = v(t)r (t) v (t)r (t) v(t)r
Chapter 13, Problem 46(choose chapter or problem)
Method for Computing N Let v(t) = r (t) . Show that N(t) = v(t)r (t) v (t)r (t) v(t)r (t) v (t)r (t) 12 Hint: N is the unit vector in the direction T (t). Differentiate T(t) = r (t)/v(t) to show that v(t)r (t) v (t)r (t) is a positive multiple of T (t).
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