如图所示,AB为半圆弧ACB水平直径,C为ACB弧的中点,AB=1.5m,从A点平抛出一小球,,小球下落0.3s后落到ACB上,则小球抛出的初速度V0 为 ( ) A....0.5m/s B....1.5m/s C
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![如图所示,AB为半圆弧ACB水平直径,C为ACB弧的中点,AB=1.5m,从A点平抛出一小球,,小球下落0.3s后落到ACB上,则小球抛出的初速度V0 为 ( ) A....0.5m/s B....1.5m/s C](/uploads/image/z/11700858-66-8.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2CAB%E4%B8%BA%E5%8D%8A%E5%9C%86%E5%BC%A7ACB%E6%B0%B4%E5%B9%B3%E7%9B%B4%E5%BE%84%2CC%E4%B8%BAACB%E5%BC%A7%E7%9A%84%E4%B8%AD%E7%82%B9%2CAB%3D1.5m%2C%E4%BB%8EA%E7%82%B9%E5%B9%B3%E6%8A%9B%E5%87%BA%E4%B8%80%E5%B0%8F%E7%90%83%2C%2C%E5%B0%8F%E7%90%83%E4%B8%8B%E8%90%BD0.3s%E5%90%8E%E8%90%BD%E5%88%B0ACB%E4%B8%8A%2C%E5%88%99%E5%B0%8F%E7%90%83%E6%8A%9B%E5%87%BA%E7%9A%84%E5%88%9D%E9%80%9F%E5%BA%A6V0+%E4%B8%BA+++++%28+++++%29+A%EF%BC%8E%EF%BC%8E%EF%BC%8E%EF%BC%8E0.5m%2Fs++++++++++++++++++++++++++B%EF%BC%8E%EF%BC%8E%EF%BC%8E%EF%BC%8E1.5m%2Fs++++++++C)
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