An ashtray slides across a table with a speed of 0.6m/s and

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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 a speed of 29m/s (60mph).If it takes 4s for it to hit the ground,how far from the base of the cliff does it land?

A tennis ball is hit with a vertical speed of 10m/s and a horizontal speed of 20m/s.How long will the ball remain in the air?How far will it travel horizontally during this time?

If a baseball is hit with a vertical speed of 20m/s and a horizontal speed of 12m/s ,how long will the ball remain in the air?How far will it go?

(1) 0.24m
(2) 116m
(3) 2s ,40m
(4) 4s ,48m
再问：可以求过程吗……QAQ
再答：好吧，这么简单的物理··········，我写下哈
再答：

再答：就是这样

An ashtray slides across a table with a speed of 0.6m/s and A giant rolls a bowling ball with a uniform speed of 30 m/s A baseball is hit with a speed of 28.0m/s train is travelling at a speed of 15m/s and slows down unifo There's( ) on the table.A.an orange and a bowl of rice B.no 英语翻译A pair of slides (1004790) were received and measured tw If a boat's speed in the still water is 5m/s,and the speed o suppose a roller coaster passes point 1 with a speed of 1.7m An object with an initial velocity of 4m/s moves along a str The students and the parents sit ()a table with a cake and s There is () on the table.A.an orange and a bowl of rice B.so 英语翻译it's been a too long time with no peace of mind and i'm