Teaching Physics with the Physics Suite
A bowling ball sits on a hard floor at a point which we take to be the origin. The ball is hit some number of times by a hammer. The ball moves along a line back and forth across the floor as a result of the hits. The region to the right of the origin is taken to be positive, but during its motion the ball is at times on both sides of the origin. After the ball has been moving for a while, a sonic ranger is started and takes the following graph of the ball's velocity.
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Page last modified October 8, 2002: K04