Sorry for the mistake.
Yes, take the derivative, gt = v. Therefore, the height should be 15 meters and not 30 meters.
Sorry for the mistake.
Yes, take the derivative, gt = v. Therefore, the height should be 15 meters and not 30 meters.
• 對(回複:初速度為每秒5米上拋,按照月球的引力,可達高度是否約為7.5米?) -不可複識- ♂ (71 bytes) () 11/27/2011 postreply 16:10:12