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B at (8, 6)

Here we show what happens to the ball when B is moved one unit to the right of its original position, to (8, 6). Was your prediction correct?

These two JAVA worksheets allow you to move B until you find the correct position:
JAVA-AJAVA-A-trace
The second worksheet traces the path of the ball. What do you notice about the path's shape?
Can you explain WHY?

Explore the JAVA worksheets before going to the NEXT PAGE.