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 5h yqw/ic6j (laccel- eration is positiv x8kzrk rrh6,99clyvt9fd t87d*,axoe? What about vice versa? If yes, give exa,lxt68r v xk*9a,or7 8zdcry d99f thkmples in each case.

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