(4分)从某高度处以12m/s的初速度水平抛出一物体,经2s 落地,g取10

4分)从某高度处以12m/s的初速度水平抛出一物体,经2s 落地,g10m/s2,则物体抛出处的高度是______m,物体落地点的水平距离是______m

答案

2024

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