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

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[问答题]
Can the velocity of an owm a7 c:d xuwdh/v8:1h9 /xdwcbject be negative when its accel- eratiof;s/6qn9:,3 tisdsjrupp y,l n is positive? What about vice versa? If yes, give /qd3l6ju snr;,p :si9,ptsyfexamples in each case.

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