An ashtray slides across a table with a speed of 0

发布时间：2021-02-17 11:25:52

An ashtray slides across a table with a speed of 0.6m/s and falls off the edge.If it takes 0.4s to reach the floor,how far from the edge of the table does it land?A car drives off a vertical cliff at

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(1) 0.24m
(2) 116m
(3) 2s ,40m
(4) 4s ,48m
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