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## Homework Statement

A 50kg sprinter ran a 100m dash in 10.97s. This sprinter set the record for the 100m dash at normal altitudes. Assume that she accelerated uniformly for the first 12.0m and then travelled at a constant velocity to the finish line.

## Homework Equations

a) What is the sprinter's maximum velocity

b) What average horizontal force did the sprinter's feet exert on the ground while accelerating?

## The Attempt at a Solution

I don't really know where to start tackling this problem.

EDIT: Problem solved. I only really had trouble with finding the terminal velocity. The second part wasn't too hard.

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