A woman on a 10-speed bicycle travels at 9 m/s relative to
Chapter 3, Problem 1(choose chapter or problem)
A woman on a 10-speed bicycle travels at 9 m/s relative to the ground as she passes a little boy on a tricycle going in the opposite direction. If the boy is traveling at 1 m/s relative to the ground, how fast does the boy appear to be moving relative to the woman?
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