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from Volume 0. Getting Started
有一个物体做匀加速直线运动。告诉你 t 和 Vt,请计算出在 2t 时间内,该物体的位移为多少。
首先需要从样例中知道初始速度V0 = 0,然后通过v-t图计算出位移为 2vt。