qq_45738497的博客

T2://求位移：import java.util.Scanner;public class t2 { public static double s(double v0,double t) { double s,g=9.8; s=v0*t+g*t*t/2.0; return s; } public static void main(String[] args) { Scanner cin=new Scanner(System.in); double v0,t; Sys