Part A
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In the photo at right, Sgt. 1st Class Cheryl Stearns of the U.S. Army's Golden Knights parachute team demonstrates how to maximize acceleration during a skydive (photo by Cpl. Sean Capogreco courtesy U.S. Army). Suppose that a 75 kg skydiver was using this technique. If the skydiver's current acceleration is 2.0 m/s 2 toward the ground, what is the force of air resistance acting on the skydiver?
System: The skydiver will be treated as a point particle subject to external influences from the earth (gravity) and the air.
Model: Point Particle Dynamics.