Speed: Change in distance over a period of time, How fast something is moving, Distance/Time, Velocity: Change in distance over time with direction, How fast and in what direction something is moving, Distance/Time with direction, Acceleration: Change in speed over a period of time, How quickly or slowly something changes its speed, Speed/Time, Occurs when speed OR direction change,

Speed, Velocity, and Acceleration

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?