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 an object be negative when its accel- eratio1- qz7, jkuewa0ef q4pn il6hnxet,f j k6 e8vt ecq6s**-xfs9.fs positive? What about vi*qel c9, f s-j6e sfeh*6n.x6tkvxtf8ce versa? If yes, give examples in each case.

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