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 xc3 )r0 w.t.*yza yl+u-mo vnqmdw:m 4be negative when itqh;5jbi*0i , qig5kdw s accel- eration is positive? What about vice vehqgw 0 5d *i,ki;qbi5jrsa? If yes, give examples in each case.

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