A  skater collides with the boards on the rink at a point which is $25$ m $[$S$60$E$]$ of where she started. If she hit the boards with a velocity of $4\mathrm{.}5$ m$/$s $[$E$]$ after spending only $10\mathrm{.}0$ s on the ice, determine her average acceleration. 

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To determine the average acceleration of the skater we need to ca... View the full answer