已知一物体作自由落体运动，对其高度进行了 20 次测量，测量值如下表：时间[s]1234567咼度[km]1.99451.97941.95541.92141.87771.82501.7598时间[s]891011121314咼度[km]1.68671.60361.50921.40761.29441.17241.0399时间[s]151617181920咼度[km]0.89800.74550.58500.41250.23180...

时间:2025-04-20 05:33栏目:行业资料