# MATH 680 Problem Set 4 due July 11th (7 points) Pairs Death Spiral: Tracings on the Ice Below are tw

MATH 680 Problem Set 4 due July 11th
(7 points)
Pairs Death Spiral: Tracings on the Ice
Below are two projections of the skate blade tracings that are created during Keauna MacLaughlin and Rockne Brubaker’s death spiral.
The projection on the left, depicting concentric circles, is a bird’s eye view of the tracings that Keauna and Rockne form when completing the death spiral. In both projections, Rockne’s center of mass is at point O. The circle representing Keauna’s blade trajectory has radius, OA. The circle representing Rockne’s blade trajectory has radius, OB.

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MATH 680 Problem Set 4 due July 11th
(7 points)
Pairs Death Spiral: Tracings on the Ice
Below are two projections of the skate blade tracings that are created during Keauna MacLaughlin and Rockne Brubaker’s death spiral.
The projection on the left, depicting concentric circles, is a bird’s eye view of the tracings that Keauna and Rockne form when completing the death spiral. In both projections, Rockne’s center of mass is at point O. The circle representing Keauna’s blade trajectory has radius, OA. The circle representing Rockne’s blade trajectory has radius, OB.