Sum of velocities and sum of vectors (hidden).

Drag B (C will move at the same time).

The velocity of point D is the sum of the velocities of points C and B.

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Sum of velocities and sum of vectors (hidden)
Figure 5a

Alfinio Flores
ASU

This is a prototype of JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright ©1990-1997 by Key Curriculum Press, Inc. All rights reserved. Portions of this work are being funded by the National Science Foundation (awards DMI 9561674 & 9623018).