Science 10 April 17 in-class Practice (id: 52b67fec5)

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本题目来源于试卷: Science 10 April 17 in-class Practice，类别为 unclassified

[问答题]
Can the velocity of a yd1h.gc wig/*1yhy 1on object be n1 ;xgz:xpewt/egative when its accel- eration is positive? What about vice versa? If yes, give exaxwet1x: g; pz/mples in each case.

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