Science 10 April 17 in-class Practice (id: b117636b9)

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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]
Give an example wherdc,n1 /p/1wcj j4jh 2er4au tde both the;e7 lp hi*g-f ,gjik,avrwt, ) velocity and acceleration are negative.

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