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

[问答题]
Can the velocity of o ni p+(a;/mu2jwfur 9an object be negative when phwlzud.3js4v *5k;krlq46go7r- z uits accel- eration is positive? What about vice versa? If gu3kzq.;l u*lj zpo454sdhk 7rv wr6-yes, give examples in each case.

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