Short and Long Answer 1. ( AP option I 7 ZA Draw the vector D= -2A+ B. TIP + 02110 BB -ZA 2. The diagram below shows the positions at intervals of 0.05 seconds of two balls, ball A and ball B, moving from left to right. A- B-- --- (a) Describe the motion of ball A. (b) Is ball A accelerating? (c) Describe the motion of ball B. is moving (d) Is ball B accelerating?

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