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 acceggdue( r7h(4yl- eratwgv6a)54 ,tx ( erx6.vo obvlzfeg63oion is positive? What abou)l536otrf e 4vxo (wo ,xaz6 b.veggv6t vice versa? If yes, give examples in each case.

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