Question

A figure skater glides along a circular path of radius 4.60 m.
(a) If she coasts around one fourth of the circle, find the magnitude of the displacement vector.


(b) If she coasts around one fourth of the circle, find what distance she skated.

(c) What is the magnitude of the displacement if she skates all the way around the circle?

Answer 1

a)

b)
since 2pi r is the entire circumference pi r/2 is fourth of it
c)
d=final position - initial position = 0

Answer 2

Thank you very much!

Answer 3

yw